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(the “Company”) was founded in 1984 in New Jersey, commenced business operations in 1994 and re-incorporated in Delaware in 2007. We are a complete solutions provider, controlling the design, manufacturing, sales, installation, operations and maintenance of our products and services. Our solutions provide distributed offshore power which is persistent, reliable, and economical along with power and communications for remote surface and subsea applications. Historically, funding from government agencies, such as research and development grants, accounted for a significant portion of the Company’s revenues. Today our goal is to generate the majority of our revenue from the sale or lease of our products and solutions, and sales of services to support our business operations. As we continue to develop and commercialize our products and services, we expect to have a net decrease in cash due to the use of cash from operating activities unless and until we achieve positive cash flow from the commercialization of products, solutions and services.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(b) Basis of Presentation</i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i> </i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The accompanying unaudited consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and for interim financial information in accordance with the Securities and Exchange Commission (“SEC”), instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation have been included. The interim operating results are not necessarily indicative of the results for a full year or for any other interim period. Further information on potential factors that could affect the Company’s financial results can be found in the Company’s Annual Report on Form 10-K for the year ended April 30, 2021, as filed with the SEC and elsewhere in this Form 10-Q. Certain items have been reclassified from prior periods to be consistent with current GAAP presentations.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(c) Liquidity</i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in; text-indent: -0.25in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i> </i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">For the nine months ended January 31, 2022, and the fiscal year ended April 30, 2021, the Company incurred net losses of approximately $<span id="xdx_905_eus-gaap--NetIncomeLoss_iN_pn5n6_di_c20210501__20220131_zJzs7XuJKCr8" title="Net loss">13.7 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">million and $<span id="xdx_906_eus-gaap--NetIncomeLoss_iN_pn5n6_di_c20200501__20210430_zqag8EAq5Vch" title="Net loss">14.8 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">million, respectively, and used cash in operating activities of approximately $<span id="xdx_908_eus-gaap--NetCashProvidedByUsedInOperatingActivities_iN_pn5n6_di_c20210501__20220131_zSVVxKozt4Rj" title="Net cash in operating activities">15.8 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">million and $<span id="xdx_900_eus-gaap--NetCashProvidedByUsedInOperatingActivities_iN_pn5n6_di_c20200501__20210430_zPz2ST3dW749" title="Net cash in operating activities">11.7 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">million, respectively. The Company has continued to make investments in ongoing product development efforts in anticipation of future growth, including its recent acquisition of Marine Advanced Robotics, Inc., as described in Note 18. The Company’s future results of operations involve significant risks and uncertainties. Factors that could affect the Company’s future operating results and could cause actual results to vary materially from expectations include, but are not limited to, performance of its products, its ability to market and commercialize its products and new products that it may develop, technology development, scalability of technology and production, ability to attract and retain key personnel, concentration of customers and suppliers, deployment risks and integration of acquisitions, pending or threatened litigation, and the impact of COVID-19, and any variants on its business. The Company previously obtained equity financing through its At the Market Offering Agreement (“ATM”) with A.G.P/Alliance Global Partners (“AGP”) and through its equity line financing with Aspire Capital Fund, LLC (“Aspire Capital”), but the Company cannot be sure that additional equity and/or debt financing will be available to the Company as needed on acceptable terms, or at all. For fiscal year 2022 to date, management has not obtained any additional capital financing. Management believes the Company’s current cash balance of $<span id="xdx_907_eus-gaap--Cash_iI_pn5n6_c20220131_zzYnUqU3V4sh">63.5</span></span> <span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">million is sufficient to fund its planned expenditures through at least March 2023.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On January 7, 2019, the Company entered into an At the Market Offering Agreement with AGP (the “2019 ATM Facility”), under which the Company could issue and sell to or through AGP, acting as agent and/or principal, shares of the Company’s common stock having an aggregate offering price of up to $<span id="xdx_904_eus-gaap--ProceedsFromIssuanceInitialPublicOffering_pn5n6_c20190106__20190107__us-gaap--TypeOfArrangementAxis__custom--TwoThousandNinteenATMFacilityMember__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_zqyQZ18NAmnh" title="Proceeds from initial public offering">25.0</span> million. From inception of the program through its termination on December 8, 2020, under the 2019 ATM Facility, the Company sold and issued an aggregate of <span id="xdx_90E_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_pid_c20190106__20190107__us-gaap--TypeOfArrangementAxis__custom--TwoThousandNinteenATMFacilityMember__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_zDTm2R3uSKvi" title="Number of common stock shares sold">17,595,472</span> shares of its common stock with an aggregate market value of $<span id="xdx_903_eus-gaap--SaleOfStockConsiderationReceivedPerTransaction_pn5n6_c20190106__20190107__us-gaap--TypeOfArrangementAxis__custom--TwoThousandNinteenATMFacilityMember__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_zspnLaf4ker1" title="Proceeds from issuance or sale of equity, net of issuance costs">23.4</span> million at an average price of $<span id="xdx_90F_eus-gaap--SaleOfStockPricePerShare_iI_pid_c20190107__us-gaap--TypeOfArrangementAxis__custom--TwoThousandNinteenATMFacilityMember__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_z6Wv99wrEUl5" title="Average purchase price per share">1.33</span> per share, including <span id="xdx_908_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_pid_c20190106__20190107__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_zVH1837TVZXe" title="Number of common stock shares sold">12,342,506</span> shares in fiscal year 2021 with an aggregate market value of $<span id="xdx_900_eus-gaap--SaleOfStockConsiderationReceivedPerTransaction_pn5n6_c20190106__20190107__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_zBjAoYMsRVD7" title="Proceeds from issuance or sale of equity, net of issuance costs">18.7</span> million at an average price of $<span id="xdx_906_eus-gaap--SaleOfStockPricePerShare_iI_pid_c20190701__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_zJqwl1LzcXb5" title="Combined purchase price per share">1.51</span> per share and paid AGP a sales commission of approximately $<span id="xdx_905_ecustom--PaymentOfSalesCommission_pn5n6_c20190106__20190107__us-gaap--TypeOfArrangementAxis__custom--TwoThousandNinteenATMFacilityMember__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_zKrYzQkr3Xna" title="Payment of sales commission">0.8</span> million related to those shares. The agreement was fully utilized and terminated on December 8, 2020.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On November 20, 2020, the Company entered into another At the Market Offering Agreement with AGP (the “2020 ATM Facility”), having capacity up to $<span id="xdx_901_eus-gaap--DeferredOfferingCosts_iI_pn5n6_c20201120_zrwXDFFFR2Ha" title="Deferred Offering Costs">100.0</span> million. On December 4, 2020, the Company filed a prospectus with the Securities and Exchange Commission whereby, the Company could issue and sell to or through AGP, acting as agent and/or principal, shares of the Company’s common stock having an aggregate offering price of up to $<span id="xdx_900_ecustom--ProceedsFromInitialPublicOffering_pn5n6_c20201118__20201120__us-gaap--TypeOfArrangementAxis__custom--TwoThousandTwentyATMFacilityMember__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_z9CC9Z2TQ58c" title="Proceeds from initial public offering">50.0</span> million. From inception of the 2020 ATM Facility through January 31, 2022, the Company had sold and issued an aggregate of <span id="xdx_900_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_pid_c20210501__20220131__us-gaap--TypeOfArrangementAxis__custom--TwoThousandTwentyATMFacilityMember__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_zxlJY405TmBk" title="Number of common stock shares sold">17,179,883</span> shares of its common stock with an aggregate market value of $<span id="xdx_90F_eus-gaap--SaleOfStockConsiderationReceivedPerTransaction_pn5n6_c20210501__20220131__us-gaap--TypeOfArrangementAxis__custom--TwoThousandTwentyATMFacilityMember__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_zpcxC0lXPuCk" title="Proceeds from issuance or sale of equity, net of issuance costs">50.0</span> million at an average price of $<span id="xdx_90E_eus-gaap--SaleOfStockPricePerShare_iI_pid_c20220131__us-gaap--TypeOfArrangementAxis__custom--TwoThousandTwentyATMFacilityMember__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_z2SqAYI9mROl" title="Combined purchase price per share">2.91</span> per share and paid AGP a sales commission of approximately $<span id="xdx_905_ecustom--PaymentOfSalesCommission_pn5n6_c20210501__20220131__us-gaap--TypeOfArrangementAxis__custom--TwoThousandTwentyATMFacilityMember__dei--LegalEntityAxis__custom--AGPAllianceGlobalPartnersMember_zjuJmXNgWEO5" title="Payment of sales commission">1.6</span> million related to those shares. A prospectus supplement was filed on January 10, 2022 to allow the Company to sell an additional $<span id="xdx_905_ecustom--PaymentOfSalesCommission_pn5n6_c20210501__20220131__us-gaap--TypeOfArrangementAxis__custom--TwoThousandTwentyATMFacilityMember_zCFYS4sCujfi" title="Payment of sales commission">25.0</span> million (or an aggregate of $<span id="xdx_909_eus-gaap--SaleOfStockConsiderationReceivedPerTransaction_pn5n6_c20210501__20220131__us-gaap--TypeOfArrangementAxis__custom--TwoThousandTwentyATMFacilityMember_zciOEyO60asf">75.0</span> million) under the 2020 ATM Facility, none of which has been sold to date.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Equity Line Common Stock Purchase Agreements</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On October 24, 2019, the Company entered into a common stock purchase agreement with Aspire Capital which provided that, subject to certain terms, conditions and limitations, Aspire Capital was committed to purchase up to an aggregate of $<span id="xdx_902_ecustom--StockIssuedDuringPeriodValueIssuedForCommitmentFee_pn5n6_c20191023__20191024__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember__srt--RangeAxis__srt--MaximumMember_zgtUWceEB0Q8" title="Aggregate purchase of common stock">10.0</span> million shares of the Company’s common stock over a 30-month period. Through September 18, 2020, the Company had sold an aggregate of <span id="xdx_909_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_pid_c20200914__20200918__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_zJuEfYsjX7Fc" title="Number of common stock shares sold">6,424,205</span> shares of common stock with an aggregate market value of $<span id="xdx_903_eus-gaap--SaleOfStockConsiderationReceivedPerTransaction_pn5n6_c20200914__20200918__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_zbAfuslQKKgl" title="Proceeds from issuance or sale of equity, net of issuance costs">4.0</span> million at an average price of $<span id="xdx_90A_eus-gaap--SaleOfStockPricePerShare_iI_pid_c20200918__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_z2PvKI00qNC4" title="Combined purchase price per share">0.63</span> per share pursuant to this common stock purchase agreement, including <span id="xdx_900_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_pid_c20200501__20210430__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementOneMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_zLzAqaMsuZMl" title="Number of common stock shares sold">5,025,000</span> shares in fiscal year 2021 with an aggregate market value of $<span id="xdx_902_eus-gaap--SaleOfStockConsiderationReceivedPerTransaction_pn5n6_c20200501__20210430__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementOneMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_zZ2rT7ofQ4hg" title="Proceeds from issuance or sale of equity, net of issuance costs">2.9</span> million at an average price of $<span id="xdx_909_eus-gaap--SaleOfStockPricePerShare_iI_pid_c20210430__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementOneMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_zpsbcKPZwiAi" title="Combined purchase price per share">0.57</span> per share. The agreement was fully utilized and terminated on September 18, 2020.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On September 18, 2020, the Company entered into a new common stock purchase agreement with Aspire Capital which provided that, subject to certain terms, conditions and limitations, Aspire Capital was committed to purchase up to an aggregate of $<span id="xdx_90E_ecustom--StockIssuedDuringPeriodValueIssuedForCommitmentFee_pn5n6_c20200914__20200918__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_zvEikLWYvK4d" title="Aggregate purchase of common stock">12.5</span> million shares of the Company’s common stock over a 30-month period subject to a limit of <span id="xdx_901_ecustom--PercentageOfOutstandingCommonStockLimitForShareholderApproval_pid_dp_uPure_c20200914__20200918__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_zAWYU80dtFy4" title="Percentage of outstanding common stock">19.99</span>% of the outstanding common stock on the date of the agreement if the price did not exceed a specified price in the agreement. The number of shares the Company could issue within the 19.99% limit was <span id="xdx_904_ecustom--StockIssuedDuringPeriodSharesCanBeIssuedBasedUponOutstandingPercentage_pid_c20200914__20200918__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_zZxo3TAECS3i" title="Shares can be issued based upon outstanding percentage">3,722,251</span> shares without shareholder approval. Shareholder approval was received at the Company’s annual meeting of shareholders on December 23, 2020 for the sale of <span id="xdx_90E_ecustom--NumberOfAdditionalSharesThatCanBeIssuedUponShareholderApproval_pid_c20201222__20201223__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_zw4qynmfrBfi" title="Additional sales of common stock shares sold">9,864,706</span> additional shares of common stock to Aspire Capital, which exceeded the <span id="xdx_902_ecustom--PercentageOfOutstandingCommonStockLimitForShareholderApproval_pid_dp_uPure_c20201222__20201223__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_zSefBVri8Fj3" title="Percentage of outstanding common stock">19.99</span>% limit of the outstanding common stock on the date of the agreement. Through January 31, 2022, the Company had sold an aggregate of <span id="xdx_902_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_c20210730__20210731__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_pdd" title="Number of common stock shares sold">3,722,251</span> shares of common stock with an aggregate market value of $<span id="xdx_90D_eus-gaap--SaleOfStockConsiderationReceivedPerTransaction_c20210730__20210731__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_pn5n6" title="Proceeds from issuance or sale of equity, net of issuance costs">11.8</span> million at an average price of $<span id="xdx_904_eus-gaap--SaleOfStockPricePerShare_iI_pid_c20211031__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_zKVSQQxuzm59" title="Combined purchase price per share">3.17</span> per share pursuant to this common stock purchase agreement with approximately $<span id="xdx_905_eus-gaap--SaleOfStockConsiderationReceivedPerTransaction_pn5n6_c20220130__20220131__us-gaap--TypeOfArrangementAxis__custom--StockPurchaseAgreementMember__dei--LegalEntityAxis__custom--AspireCapitalFundLLCMember_z5ObdanhfAy8" title="Proceeds from issuance or sale of equity, net of issuance costs">1.0</span> million remaining on the facility as of January 31, 2022.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> -13700000 -14800000 -15800000 -11700000 63500000 25000000.0 17595472 23400000 1.33 12342506 18700000 1.51 800000 100000000.0 50000000.0 17179883 50000000.0 2.91 1600000 25000000.0 75000000.0 10000000.0 6424205 4000000.0 0.63 5025000 2900000 0.57 12500000 0.1999 3722251 9864706 0.1999 3722251 11800000 3.17 1000000.0 <p id="xdx_80C_eus-gaap--SignificantAccountingPoliciesTextBlock_zDdxXQXSsfD2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(2) <span id="xdx_82F_zJmLXtGm5CU2">Summary of Significant Accounting Policies</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_84C_eus-gaap--ConsolidationPolicyTextBlock_zBFiVSgwIaz9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(a) <span id="xdx_865_zDBhF8X9gW9c">Consolidation</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The accompanying consolidated financial statements include the accounts of the Company and its majority-owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_841_eus-gaap--UseOfEstimates_z7LQTREayaS5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(b) <span id="xdx_86A_zL8LNwapiU0c">Use of Estimates</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The preparation of the consolidated financial statements requires management of the Company to make a number of estimates and assumptions relating to the reported amounts of assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the period. Significant items subject to such estimates and assumptions include, among other items, valuations, purchase price allocations and contingent consideration related to business combinations, expected future cash flows including growth rates, discount rates, terminal values and other assumptions and estimates used to evaluate the recoverability of long-lived assets, goodwill and other intangible assets and the related amortization methods and periods, estimated costs to complete projects and percentage of completion of customer contracts for purposes of revenue recognition. Actual results could differ from those estimates.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_84A_eus-gaap--CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_zN4kSXA5PL1d" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(c) <span id="xdx_865_zh6i9EThGaZ2">Cash, Cash Equivalents, Restricted Cash and Security Agreements</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Cash and Cash Equivalents</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. The Company invests excess cash in a money market account. The following table summarizes cash and cash equivalents as of January 31, 2022 and April 30, 2021:</span></p> <p id="xdx_893_eus-gaap--ScheduleOfCashAndCashEquivalentsTableTextBlock_z1g40OImlpYg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BC_zp9nKkjhsHHl" style="display: none">Schedule of Cash and Cash Equivalents</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Checking and savings accounts</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20220131__us-gaap--CashAndCashEquivalentsAxis__custom--CheckingAndSavingsAccountsMember_pn3n3" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,519</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98D_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20210430__us-gaap--CashAndCashEquivalentsAxis__custom--CheckingAndSavingsAccountsMember_pn3n3" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,850</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Money market account</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_988_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20220131__us-gaap--CashAndCashEquivalentsAxis__us-gaap--MoneyMarketFundsMember_pn3n3" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">61,935</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_989_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20210430__us-gaap--CashAndCashEquivalentsAxis__us-gaap--MoneyMarketFundsMember_pn3n3" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">81,178</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_982_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20220131_pn3n3" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">63,454</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20210430_pn3n3" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83,028</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8AA_zetvsuuSeyZf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Restricted Cash and Security Agreements</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company has a letter of credit agreement with Santander Bank, N.A. (“Santander”). Cash of $<span id="xdx_90E_eus-gaap--Deposits_c20220131__us-gaap--TypeOfArrangementAxis__custom--RestrictedCashAndSecurityAgreementsMember__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--ShortTermDebtTypeAxis__us-gaap--LetterOfCreditMember_pp0p0" title="Deposits">157,000</span> is on deposit at Santander and serves as security for a letter of credit issued by Santander for the lease of warehouse/office space in Monroe Township, New Jersey. This agreement cannot be extended beyond July 31, 2025 and is cancellable at the discretion of Santander.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Santander also issued two letters of credit to subsidiaries of Enel Green Power (“EGP”) pursuant to the Company’s contracts with EGP. The first letter of credit was issued in the amount of $<span id="xdx_906_eus-gaap--LettersOfCreditOutstandingAmount_c20220131__us-gaap--TypeOfArrangementAxis__custom--RestrictedCashAndSecurityAgreementsMember__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--ShortTermDebtTypeAxis__custom--LetterOneMember_pp0p0">126,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">that will be released 12 months after the PB3 PowerBuoy^®(“PB3”) is fully deployed. The second letter of credit was issued in the amount of $<span id="xdx_90C_eus-gaap--LettersOfCreditOutstandingAmount_c20220131__us-gaap--TypeOfArrangementAxis__custom--RestrictedCashAndSecurityAgreementsMember__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--ShortTermDebtTypeAxis__custom--LetterTwoMember_pp0p0">645,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and was reduced to $<span id="xdx_908_eus-gaap--LettersOfCreditOutstandingAmount_c20200831__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--ShortTermDebtTypeAxis__custom--LetterTwoMember__us-gaap--AwardDateAxis__custom--AugustTwentyTwentyMember_pp0p0">323,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">in August 2020. The second letter of credit will be reduced by $<span id="xdx_900_ecustom--LettersOfCreditIssuedAmount_iI_pp0p0_c20220131__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--ShortTermDebtTypeAxis__custom--LetterTwoMember_zBZcN1vaN5D3" title="Letters of credit issued amount">259,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">once the PB3 is fully deployed and passes final acceptance testing. The remaining restricted amount of $<span id="xdx_901_ecustom--LettersOfCreditIssuedAmount_iI_pp0p0_c20220131__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember_zY2nQsgGT38a" title="Letters of credit issued amount">64,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">will be released 12 months after the buoy is fully deployed.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89F_eus-gaap--ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_zFgX8DyXBl54" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Balance Sheets that total to the same amounts shown in the Consolidated Statements of Cash Flows.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B1_zzRbhmGQtXKi" style="display: none">Schedule of Cash and Cash Equivalents and Restricted Cash</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_499_20220131_zWmhr3VYpfF6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_499_20210430_zeSCmu5tUIAl" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40E_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cash and cash equivalents</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">63,454</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83,028</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_401_eus-gaap--RestrictedCashCurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Restricted cash- short term</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">384</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">384</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40F_eus-gaap--RestrictedCashNoncurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Restricted cash- long term</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">222</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">222</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40B_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Cash, cash equivalents and restricted cash</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">64,060</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83,634</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8A8_ztfYL56COu66" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_841_eus-gaap--ConcentrationRiskCreditRisk_zLv29a9Vu6D1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(d) <span id="xdx_860_zscMqxtILrm2">Concentration of Credit Risk</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Financial instruments that potentially subject the Company to credit risk consist principally of accounts receivable and cash and cash equivalents. The Company believes that its current contracts do not represent a risk of collectability on its receivables. The Company invests its excess cash in a money market account and does not believe that it is exposed to any significant risks related to its cash and money market accounts. Cash and cash equivalents are also maintained at foreign financial institutions. Cash and cash equivalents in foreign financial institutions as of January 31, 2022 was $<span id="xdx_901_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20220131__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--ForeignFinancialInstitutionsMember_pp0p0" title="Cash and Cash Equivalents, at Carrying Value">30,000</span>.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_896_eus-gaap--ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_zE4Zaw2bCATl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The table below shows the amount of the Company’s revenues derived from customers whose revenues accounted for at least 10% of the Company’s consolidated revenues for at least one of the periods indicated:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BF_zpKS8GyJEw06" style="display: none">Schedule of Revenue by Major Customers by Reporting Segments</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_490_20211101__20220131_ze45TaeFeBRj" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_493_20201101__20210131_zmg6Jp1On4D9" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49C_20210501__20220131_zj0XbYPKsZuj" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_494_20200501__20210131_zvNGSdxep4g5" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Three months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--EniSPAMember_zki3jOC14VUc" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Eni S.p.A.</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1017">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">34</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">14</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">135</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DepartmentOfEnergyMember_zj3dzoPzdQ4e" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Department of Energy</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">102</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1023">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">182</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1025">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_402_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--EGPMember_zajw0pFUuPlk" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EGP</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1027">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">223</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">163</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">379</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ACETMember_zGXHpKdgpmu2" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ACET</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1032">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">33</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1034">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">37</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ValarisFNIMember_zGv69smIwPYb" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Valaris <span id="xdx_F47_zN36To1z5lo6">(1)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">7</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1038">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">142</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1040">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_405_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--BrighamYoungUniversityMember_zB91P7eS4Nll" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Brigham Young University <span id="xdx_F5E_zVuXMILQPuSi">(2)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">66</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1043">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">66</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1045">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_407_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--NipponKaiyoMember_zB2to4fwMr6e" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nippon Kaiyo <span id="xdx_F49_z1y4V90JpmDd">(2)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">78</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1048">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">78</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1050">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--NavalSurfaceWarfareCenterMember_zlqYIer8uzHa" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Naval Surface Warfare Center <span id="xdx_F42_zFJYGlZukXIh">(2)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">98</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1053">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">98</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1055">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_404_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--OtherMember_zUrHidpm8dM" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other (no customer over 10%)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">133</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">27</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">260</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">53</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_409_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_z5v4hi74KIla" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenues</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">484</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">317</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,003</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">604</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 2.65pt; text-align: right; width: 40%"><span id="xdx_F04_zZURkolW8eg4" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)</span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 0.75pt; padding-left: 2.65pt; width: 60%"><span id="xdx_F1C_zMbXUlposoBd" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">3Dent related consulting</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: #CCEEFF"> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 2.65pt; text-align: right"><span id="xdx_F0C_ztPx7WLQvE09" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)</span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 0.75pt; padding-left: 2.65pt"><span id="xdx_F12_zM9DZUJLvCT" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">MAR related sales</span></td></tr> </table> <p id="xdx_8A2_zpoEBfu5dakd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p id="xdx_849_eus-gaap--ShareBasedCompensationOptionAndIncentivePlansPolicy_zuPdUUyPHCpd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(e) <span id="xdx_86E_zrwZKoyPUhQ5">Share-Based Compensation</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Costs resulting from all share-based payment transactions are recognized in the consolidated financial statements at their fair values. The following table summarizes share-based compensation related to the Company’s share-based plans by expense category for the three and nine months ended January 31, 2022 and 2021:</span></p> <p id="xdx_89D_eus-gaap--ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_zD5DdwwOJ1E2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BF_z6z14Asmywua" style="display: none">Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_490_20211101__20220131_zM38mo2OlH5f" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_499_20201101__20210131_zMssRT7iesNd" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49E_20210501__20220131_zTxQZQcs4WT" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_492_20200501__20210131_zc9oIRozsqsh" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Three months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--ShareBasedCompensation_hus-gaap--IncomeStatementLocationAxis__custom--EngineeringAndProductDevelopmentMember_zHoaC2eo4ba1" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Engineering and product development</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">209</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">32</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">551</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">91</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40D_eus-gaap--ShareBasedCompensation_hus-gaap--IncomeStatementLocationAxis__us-gaap--SellingGeneralAndAdministrativeExpensesMember_zxINEzOp9n77" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Selling, general and administrative</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">108</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">313</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">247</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--ShareBasedCompensation_i_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total share-based compensation expense</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">317</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">115</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">864</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">338</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8AE_zUTay3HR9Vs4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_844_eus-gaap--RevenueFromContractWithCustomerPolicyTextBlock_zrwrCS2Zd6D7" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(f) <i><span id="xdx_869_z0nOgDU7qY93">Revenue Recognition</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A performance obligation is the unit of account for revenue recognition. The Company assesses the goods or services promised in a contract with a customer and identifies as a performance obligation either: a) a good or service (or a bundle of goods or services) that is distinct; or b) a series of distinct goods or services that are substantially the same and that have the same pattern of transfer to the customer. A contract may contain a single or multiple performance obligations. For contracts with multiple performance obligations, the Company allocates the contracted transaction price to each performance obligation based upon the relative standalone selling price, which represents the price the Company would sell a promised good or service separately to a customer. The Company determines the standalone selling price based upon the facts and circumstances of each obligated good or service. The majority of the Company’s contracts have no observable standalone selling price since the associated products and services are customized to customer specifications. As such, the standalone selling price generally reflects the Company’s forecast of the total cost to satisfy the performance obligation plus an appropriate profit margin.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The nature of the Company’s contracts may give rise to several types of variable consideration, including unpriced change orders and liquidated damages and penalties. Variable consideration can also arise from modifications to the scope of services. Variable consideration is included in the transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized will not occur once the uncertainty associated with the variable consideration is resolved. Our estimates of variable consideration and determination of whether to include such amounts in the transaction price are based largely on our assessment of legal enforceability, performance, and any other information (historical, current, and forecasted) that is reasonably available to us. There was no variable consideration as of January 31, 2022 or 2021. The Company presents shipping and handling costs, that occur after control of the promised goods or services transfer to the customer, as fulfillment costs rather than evaluating whether the shipping and handling activities are promised services to the customer.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company recognizes revenue when or as it satisfies a performance obligation by transferring a good or service to a customer, either (1) at a point in time or (2) over time. A good or service is transferred when, or as, the customer obtains control. The evaluation of whether control of each performance obligation is transferred at a point in time or over time is made at contract inception. Input measures such as costs incurred or time elapsed are utilized to assess progress against specific contractual performance obligations for the Company’s services. The selection of the method to measure progress towards completion requires judgment and is based on the nature of the services to be provided. For the Company, the input method using costs incurred or time elapsed best represents the measure of progress against the performance obligations incorporated within the contractual agreements. If estimated total costs on any contract project a loss, the Company charges the entire estimated loss to operations in the period the loss becomes known. The cumulative effect of revisions to revenue, estimated costs to complete contracts, including penalties, incentive awards, change orders, claims, anticipated losses, and others are recorded in the accounting period in which the events indicating a loss are known and the loss can be reasonably estimated. These loss projects are re-assessed for each subsequent reporting period until the project is complete. Such revisions could occur at any time and the effects may be material.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company’s contracts are either cost plus or fixed price contracts. Under cost plus contracts, customers are billed for actual expenses incurred plus an agreed-upon fee. Under cost plus contracts, a profit or loss on a project is recognized depending on whether actual costs are more or less than the agreed upon amount.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company has two types of fixed price contracts, firm fixed price and cost-sharing. Under firm fixed price contracts, the Company receives an agreed-upon amount for providing products and services specified in the contract, and a profit or loss is recognized depending on whether actual costs are more or less than the agreed upon amount. Under cost-sharing contracts, the fixed amount agreed upon with the customer is only intended to fund a portion of the costs on a specific project. Under cost sharing contracts, an amount corresponding to the revenue is recorded in cost of revenues, resulting in gross profit on these contracts of zero. The Company’s share of the costs is recorded as product development expense. The Company reports its disaggregation of revenue by contract type since this method best represents the Company’s business. For the nine-month periods ended January 31, 2022 and 2021, all of the Company’s contracts were classified as firm fixed price.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As of January 31, 2022, the Company’s total remaining performance obligations, also referred to as backlog, totaled $<span id="xdx_908_eus-gaap--RevenueRemainingPerformanceObligation_iI_pn5n6_c20220131_zPQxAxDAE4c2" title="Revenue remaining performance obligation">0.8</span> million. The Company expects to recognize <span id="xdx_900_ecustom--RevenueRemainingPerformancesObligationPercentage_pid_dp_uPure_c20210501__20220131_zLCFe6fEpFU8" title="Revenue remaining performance obligation, percentage">100</span>% of the remaining performance obligations as revenue over the next twelve months.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company also enters into lease arrangements for its PB3 and our Wave Adaptive Modular Vessels (“WAM-V”) with certain customers. Revenue related to multiple-element arrangements is allocated to lease and non-lease elements based on their relative standalone selling prices or expected cost plus a margin approach. Lease elements generally include a PB3 and components, while non-lease elements generally include engineering, monitoring and support services. In the lease arrangement, the customer is provided an option to extend the lease term or purchase the leased PB3 at some point during and/or at the end of the lease term.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Products and Solutions Leasing</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company enters into lease arrangements with certain customers for their products and solutions. As of January 31, 2022, the Company had one lease arrangement with a remaining operating lease term of less than 7 months. Revenue related to multiple-element arrangements is allocated to lease and non-lease elements based on their relative standalone selling prices or expected cost plus a margin approach. Lease elements generally include a PB3 and components, while non-lease elements generally include engineering, monitoring and support services. In the lease arrangement, the customer is provided an option to extend the lease term or purchase the leased PB3 at some point during and/or at the end of the lease term.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company classifies leases as either operating or financing in accordance with the authoritative accounting guidance contained within ASC Topic 842, <i>“Leases”.</i> At inception of the contract, the Company evaluates the lease against the lease classification criteria within ASC Topic 842. If the direct financing or sales-type classification criteria are met, then the lease is accounted for as a finance lease. All other leases are treated as operating leases.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company recognizes revenue from operating lease arrangements generally on a straight-line basis over the lease term which is presented in Revenues in the Consolidated Statements of Operations. The lease revenue for the nine months ended January 31, 2022 and 2021 was immaterial.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_84E_eus-gaap--EarningsPerSharePolicyTextBlock_zZvX1ipIWb21" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(g) <span id="xdx_868_znU2KJI53lPd">Net Loss per Common Share</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Basic and diluted net loss per common share for all periods presented is computed by dividing net loss by the weighted average number of shares of common stock and common stock equivalents outstanding during the periods. The pre-funded warrants were determined to be common stock equivalents and have been included in the weighted average number of shares outstanding for calculation of basic net loss per common share . Due to the Company’s net losses, potentially dilutive securities, consisting of options to purchase shares of common stock, warrants on common stock and unvested restricted stock issued to employees and non-employee directors, were excluded from the diluted net loss per common share calculation due to their anti-dilutive effect.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In computing diluted net loss per common share on the Consolidated Statements of Operations, warrants exercisable for common stock, options to purchase shares of common stock and non-vested restricted stock issued to employees and non-employee directors, totaling <span id="xdx_909_eus-gaap--AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c20210501__20220131_pdd" title="Antidilutive securities excluded from computation of earnings per share, amount">6,356,123</span> and <span id="xdx_90F_eus-gaap--AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c20200501__20210131_pdd" title="Antidilutive securities excluded from computation of earnings per share, amount">5,221,258</span> for the nine months ended January 31, 2022 and 2021, respectively, were excluded from each of the computations as the effect would be anti-dilutive due to the Company’s net losses.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_84E_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zjFZOjb69SVc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(h) <span id="xdx_867_zg3Bffmmat3d">Recently Issued Accounting Standards</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In June 2016, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2016-13, “<i>Financial Instruments </i>- <i>Credit Losses (Topic 326), Measurement of Credit Losses on Financial Instruments.” </i>This amendment replaces the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses on instruments within its scope, including trade receivables. This update is intended to provide financial statement users with more decision-useful information about the expected credit losses. In November 2019, the FASB issued No. 2019-10, <i>Financial Instruments—Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842)</i>, which deferred the effective date of ASU 2016-13 for Smaller Reporting Companies for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. The Company is currently evaluating the impact of the adoption of ASU 2016-13 on its consolidated financial statements.</span></p> <p id="xdx_853_zsQeUyeZ5Ko5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_84C_eus-gaap--ConsolidationPolicyTextBlock_zBFiVSgwIaz9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(a) <span id="xdx_865_zDBhF8X9gW9c">Consolidation</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The accompanying consolidated financial statements include the accounts of the Company and its majority-owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_841_eus-gaap--UseOfEstimates_z7LQTREayaS5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(b) <span id="xdx_86A_zL8LNwapiU0c">Use of Estimates</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The preparation of the consolidated financial statements requires management of the Company to make a number of estimates and assumptions relating to the reported amounts of assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the period. Significant items subject to such estimates and assumptions include, among other items, valuations, purchase price allocations and contingent consideration related to business combinations, expected future cash flows including growth rates, discount rates, terminal values and other assumptions and estimates used to evaluate the recoverability of long-lived assets, goodwill and other intangible assets and the related amortization methods and periods, estimated costs to complete projects and percentage of completion of customer contracts for purposes of revenue recognition. Actual results could differ from those estimates.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_84A_eus-gaap--CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_zN4kSXA5PL1d" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(c) <span id="xdx_865_zh6i9EThGaZ2">Cash, Cash Equivalents, Restricted Cash and Security Agreements</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Cash and Cash Equivalents</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. The Company invests excess cash in a money market account. The following table summarizes cash and cash equivalents as of January 31, 2022 and April 30, 2021:</span></p> <p id="xdx_893_eus-gaap--ScheduleOfCashAndCashEquivalentsTableTextBlock_z1g40OImlpYg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BC_zp9nKkjhsHHl" style="display: none">Schedule of Cash and Cash Equivalents</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Checking and savings accounts</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20220131__us-gaap--CashAndCashEquivalentsAxis__custom--CheckingAndSavingsAccountsMember_pn3n3" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,519</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98D_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20210430__us-gaap--CashAndCashEquivalentsAxis__custom--CheckingAndSavingsAccountsMember_pn3n3" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,850</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Money market account</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_988_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20220131__us-gaap--CashAndCashEquivalentsAxis__us-gaap--MoneyMarketFundsMember_pn3n3" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">61,935</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_989_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20210430__us-gaap--CashAndCashEquivalentsAxis__us-gaap--MoneyMarketFundsMember_pn3n3" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">81,178</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_982_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20220131_pn3n3" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">63,454</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20210430_pn3n3" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83,028</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8AA_zetvsuuSeyZf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Restricted Cash and Security Agreements</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company has a letter of credit agreement with Santander Bank, N.A. (“Santander”). Cash of $<span id="xdx_90E_eus-gaap--Deposits_c20220131__us-gaap--TypeOfArrangementAxis__custom--RestrictedCashAndSecurityAgreementsMember__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--ShortTermDebtTypeAxis__us-gaap--LetterOfCreditMember_pp0p0" title="Deposits">157,000</span> is on deposit at Santander and serves as security for a letter of credit issued by Santander for the lease of warehouse/office space in Monroe Township, New Jersey. This agreement cannot be extended beyond July 31, 2025 and is cancellable at the discretion of Santander.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Santander also issued two letters of credit to subsidiaries of Enel Green Power (“EGP”) pursuant to the Company’s contracts with EGP. The first letter of credit was issued in the amount of $<span id="xdx_906_eus-gaap--LettersOfCreditOutstandingAmount_c20220131__us-gaap--TypeOfArrangementAxis__custom--RestrictedCashAndSecurityAgreementsMember__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--ShortTermDebtTypeAxis__custom--LetterOneMember_pp0p0">126,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">that will be released 12 months after the PB3 PowerBuoy^®(“PB3”) is fully deployed. The second letter of credit was issued in the amount of $<span id="xdx_90C_eus-gaap--LettersOfCreditOutstandingAmount_c20220131__us-gaap--TypeOfArrangementAxis__custom--RestrictedCashAndSecurityAgreementsMember__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--ShortTermDebtTypeAxis__custom--LetterTwoMember_pp0p0">645,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and was reduced to $<span id="xdx_908_eus-gaap--LettersOfCreditOutstandingAmount_c20200831__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--ShortTermDebtTypeAxis__custom--LetterTwoMember__us-gaap--AwardDateAxis__custom--AugustTwentyTwentyMember_pp0p0">323,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">in August 2020. The second letter of credit will be reduced by $<span id="xdx_900_ecustom--LettersOfCreditIssuedAmount_iI_pp0p0_c20220131__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--ShortTermDebtTypeAxis__custom--LetterTwoMember_zBZcN1vaN5D3" title="Letters of credit issued amount">259,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">once the PB3 is fully deployed and passes final acceptance testing. The remaining restricted amount of $<span id="xdx_901_ecustom--LettersOfCreditIssuedAmount_iI_pp0p0_c20220131__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember_zY2nQsgGT38a" title="Letters of credit issued amount">64,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">will be released 12 months after the buoy is fully deployed.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89F_eus-gaap--ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_zFgX8DyXBl54" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Balance Sheets that total to the same amounts shown in the Consolidated Statements of Cash Flows.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B1_zzRbhmGQtXKi" style="display: none">Schedule of Cash and Cash Equivalents and Restricted Cash</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_499_20220131_zWmhr3VYpfF6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_499_20210430_zeSCmu5tUIAl" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40E_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cash and cash equivalents</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">63,454</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83,028</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_401_eus-gaap--RestrictedCashCurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Restricted cash- short term</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">384</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">384</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40F_eus-gaap--RestrictedCashNoncurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Restricted cash- long term</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">222</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">222</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40B_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Cash, cash equivalents and restricted cash</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">64,060</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83,634</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8A8_ztfYL56COu66" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_893_eus-gaap--ScheduleOfCashAndCashEquivalentsTableTextBlock_z1g40OImlpYg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BC_zp9nKkjhsHHl" style="display: none">Schedule of Cash and Cash Equivalents</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Checking and savings accounts</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20220131__us-gaap--CashAndCashEquivalentsAxis__custom--CheckingAndSavingsAccountsMember_pn3n3" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,519</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98D_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20210430__us-gaap--CashAndCashEquivalentsAxis__custom--CheckingAndSavingsAccountsMember_pn3n3" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,850</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Money market account</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_988_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20220131__us-gaap--CashAndCashEquivalentsAxis__us-gaap--MoneyMarketFundsMember_pn3n3" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">61,935</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_989_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20210430__us-gaap--CashAndCashEquivalentsAxis__us-gaap--MoneyMarketFundsMember_pn3n3" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">81,178</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_982_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20220131_pn3n3" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">63,454</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20210430_pn3n3" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Cash and cash equivalents"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83,028</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 1519000 1850000 61935000 81178000 63454000 83028000 157000 126000 645000 323000 259000 64000 <p id="xdx_89F_eus-gaap--ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_zFgX8DyXBl54" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Balance Sheets that total to the same amounts shown in the Consolidated Statements of Cash Flows.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B1_zzRbhmGQtXKi" style="display: none">Schedule of Cash and Cash Equivalents and Restricted Cash</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_499_20220131_zWmhr3VYpfF6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_499_20210430_zeSCmu5tUIAl" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40E_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cash and cash equivalents</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">63,454</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83,028</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_401_eus-gaap--RestrictedCashCurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Restricted cash- short term</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">384</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">384</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40F_eus-gaap--RestrictedCashNoncurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Restricted cash- long term</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">222</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">222</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40B_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Cash, cash equivalents and restricted cash</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">64,060</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83,634</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 63454000 83028000 384000 384000 222000 222000 64060000 83634000 <p id="xdx_841_eus-gaap--ConcentrationRiskCreditRisk_zLv29a9Vu6D1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(d) <span id="xdx_860_zscMqxtILrm2">Concentration of Credit Risk</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Financial instruments that potentially subject the Company to credit risk consist principally of accounts receivable and cash and cash equivalents. The Company believes that its current contracts do not represent a risk of collectability on its receivables. The Company invests its excess cash in a money market account and does not believe that it is exposed to any significant risks related to its cash and money market accounts. Cash and cash equivalents are also maintained at foreign financial institutions. Cash and cash equivalents in foreign financial institutions as of January 31, 2022 was $<span id="xdx_901_eus-gaap--CashAndCashEquivalentsAtCarryingValue_c20220131__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--ForeignFinancialInstitutionsMember_pp0p0" title="Cash and Cash Equivalents, at Carrying Value">30,000</span>.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_896_eus-gaap--ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_zE4Zaw2bCATl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The table below shows the amount of the Company’s revenues derived from customers whose revenues accounted for at least 10% of the Company’s consolidated revenues for at least one of the periods indicated:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BF_zpKS8GyJEw06" style="display: none">Schedule of Revenue by Major Customers by Reporting Segments</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_490_20211101__20220131_ze45TaeFeBRj" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_493_20201101__20210131_zmg6Jp1On4D9" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49C_20210501__20220131_zj0XbYPKsZuj" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_494_20200501__20210131_zvNGSdxep4g5" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Three months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--EniSPAMember_zki3jOC14VUc" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Eni S.p.A.</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1017">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">34</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">14</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">135</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DepartmentOfEnergyMember_zj3dzoPzdQ4e" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Department of Energy</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">102</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1023">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">182</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1025">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_402_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--EGPMember_zajw0pFUuPlk" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EGP</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1027">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">223</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">163</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">379</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ACETMember_zGXHpKdgpmu2" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ACET</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1032">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">33</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1034">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">37</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ValarisFNIMember_zGv69smIwPYb" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Valaris <span id="xdx_F47_zN36To1z5lo6">(1)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">7</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1038">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">142</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1040">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_405_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--BrighamYoungUniversityMember_zB91P7eS4Nll" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Brigham Young University <span id="xdx_F5E_zVuXMILQPuSi">(2)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">66</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1043">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">66</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1045">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_407_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--NipponKaiyoMember_zB2to4fwMr6e" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nippon Kaiyo <span id="xdx_F49_z1y4V90JpmDd">(2)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">78</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1048">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">78</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1050">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--NavalSurfaceWarfareCenterMember_zlqYIer8uzHa" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Naval Surface Warfare Center <span id="xdx_F42_zFJYGlZukXIh">(2)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">98</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1053">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">98</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1055">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_404_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--OtherMember_zUrHidpm8dM" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other (no customer over 10%)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">133</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">27</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">260</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">53</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_409_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_z5v4hi74KIla" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenues</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">484</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">317</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,003</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">604</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 2.65pt; text-align: right; width: 40%"><span id="xdx_F04_zZURkolW8eg4" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)</span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 0.75pt; padding-left: 2.65pt; width: 60%"><span id="xdx_F1C_zMbXUlposoBd" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">3Dent related consulting</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: #CCEEFF"> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 2.65pt; text-align: right"><span id="xdx_F0C_ztPx7WLQvE09" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)</span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 0.75pt; padding-left: 2.65pt"><span id="xdx_F12_zM9DZUJLvCT" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">MAR related sales</span></td></tr> </table> <p id="xdx_8A2_zpoEBfu5dakd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> 30000 <p id="xdx_896_eus-gaap--ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock_zE4Zaw2bCATl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The table below shows the amount of the Company’s revenues derived from customers whose revenues accounted for at least 10% of the Company’s consolidated revenues for at least one of the periods indicated:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BF_zpKS8GyJEw06" style="display: none">Schedule of Revenue by Major Customers by Reporting Segments</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_490_20211101__20220131_ze45TaeFeBRj" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_493_20201101__20210131_zmg6Jp1On4D9" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49C_20210501__20220131_zj0XbYPKsZuj" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_494_20200501__20210131_zvNGSdxep4g5" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Three months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--EniSPAMember_zki3jOC14VUc" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Eni S.p.A.</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1017">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">34</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">14</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">135</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--DepartmentOfEnergyMember_zj3dzoPzdQ4e" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Department of Energy</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">102</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1023">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">182</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1025">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_402_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--EGPMember_zajw0pFUuPlk" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">EGP</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1027">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">223</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">163</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">379</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ACETMember_zGXHpKdgpmu2" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ACET</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1032">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">33</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1034">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">37</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ValarisFNIMember_zGv69smIwPYb" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Valaris <span id="xdx_F47_zN36To1z5lo6">(1)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">7</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1038">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">142</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1040">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_405_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--BrighamYoungUniversityMember_zB91P7eS4Nll" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Brigham Young University <span id="xdx_F5E_zVuXMILQPuSi">(2)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">66</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1043">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">66</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1045">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_407_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--NipponKaiyoMember_zB2to4fwMr6e" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nippon Kaiyo <span id="xdx_F49_z1y4V90JpmDd">(2)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">78</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1048">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">78</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1050">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--NavalSurfaceWarfareCenterMember_zlqYIer8uzHa" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Naval Surface Warfare Center <span id="xdx_F42_zFJYGlZukXIh">(2)</span></span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">98</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1053">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">98</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1055">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_404_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_hus-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--OtherMember_zUrHidpm8dM" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other (no customer over 10%)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">133</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">27</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">260</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">53</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_409_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_z5v4hi74KIla" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenues</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">484</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">317</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,003</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">604</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 2.65pt; text-align: right; width: 40%"><span id="xdx_F04_zZURkolW8eg4" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1)</span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 0.75pt; padding-left: 2.65pt; width: 60%"><span id="xdx_F1C_zMbXUlposoBd" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">3Dent related consulting</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: #CCEEFF"> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 2.65pt; text-align: right"><span id="xdx_F0C_ztPx7WLQvE09" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(2)</span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-right: 0.75pt; padding-left: 2.65pt"><span id="xdx_F12_zM9DZUJLvCT" style="font-family: Times New Roman, Times, Serif; font-size: 10pt">MAR related sales</span></td></tr> </table> 34000 14000 135000 102000 182000 223000 163000 379000 33000 37000 7000 142000 66000 66000 78000 78000 98000 98000 133000 27000 260000 53000 484000 317000 1003000 604000 <p id="xdx_849_eus-gaap--ShareBasedCompensationOptionAndIncentivePlansPolicy_zuPdUUyPHCpd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(e) <span id="xdx_86E_zrwZKoyPUhQ5">Share-Based Compensation</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Costs resulting from all share-based payment transactions are recognized in the consolidated financial statements at their fair values. The following table summarizes share-based compensation related to the Company’s share-based plans by expense category for the three and nine months ended January 31, 2022 and 2021:</span></p> <p id="xdx_89D_eus-gaap--ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_zD5DdwwOJ1E2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BF_z6z14Asmywua" style="display: none">Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_490_20211101__20220131_zM38mo2OlH5f" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_499_20201101__20210131_zMssRT7iesNd" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49E_20210501__20220131_zTxQZQcs4WT" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_492_20200501__20210131_zc9oIRozsqsh" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Three months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--ShareBasedCompensation_hus-gaap--IncomeStatementLocationAxis__custom--EngineeringAndProductDevelopmentMember_zHoaC2eo4ba1" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Engineering and product development</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">209</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">32</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">551</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">91</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40D_eus-gaap--ShareBasedCompensation_hus-gaap--IncomeStatementLocationAxis__us-gaap--SellingGeneralAndAdministrativeExpensesMember_zxINEzOp9n77" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Selling, general and administrative</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">108</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">313</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">247</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--ShareBasedCompensation_i_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total share-based compensation expense</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">317</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">115</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">864</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">338</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8AE_zUTay3HR9Vs4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89D_eus-gaap--ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_zD5DdwwOJ1E2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BF_z6z14Asmywua" style="display: none">Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_490_20211101__20220131_zM38mo2OlH5f" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_499_20201101__20210131_zMssRT7iesNd" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49E_20210501__20220131_zTxQZQcs4WT" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_492_20200501__20210131_zc9oIRozsqsh" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Three months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--ShareBasedCompensation_hus-gaap--IncomeStatementLocationAxis__custom--EngineeringAndProductDevelopmentMember_zHoaC2eo4ba1" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Engineering and product development</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">209</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">32</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">551</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">91</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40D_eus-gaap--ShareBasedCompensation_hus-gaap--IncomeStatementLocationAxis__us-gaap--SellingGeneralAndAdministrativeExpensesMember_zxINEzOp9n77" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Selling, general and administrative</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">108</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">83</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">313</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">247</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--ShareBasedCompensation_i_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total share-based compensation expense</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">317</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">115</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">864</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">338</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 209000 32000 551000 91000 108000 83000 313000 247000 317000 115000 864000 338000 <p id="xdx_844_eus-gaap--RevenueFromContractWithCustomerPolicyTextBlock_zrwrCS2Zd6D7" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(f) <i><span id="xdx_869_z0nOgDU7qY93">Revenue Recognition</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A performance obligation is the unit of account for revenue recognition. The Company assesses the goods or services promised in a contract with a customer and identifies as a performance obligation either: a) a good or service (or a bundle of goods or services) that is distinct; or b) a series of distinct goods or services that are substantially the same and that have the same pattern of transfer to the customer. A contract may contain a single or multiple performance obligations. For contracts with multiple performance obligations, the Company allocates the contracted transaction price to each performance obligation based upon the relative standalone selling price, which represents the price the Company would sell a promised good or service separately to a customer. The Company determines the standalone selling price based upon the facts and circumstances of each obligated good or service. The majority of the Company’s contracts have no observable standalone selling price since the associated products and services are customized to customer specifications. As such, the standalone selling price generally reflects the Company’s forecast of the total cost to satisfy the performance obligation plus an appropriate profit margin.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The nature of the Company’s contracts may give rise to several types of variable consideration, including unpriced change orders and liquidated damages and penalties. Variable consideration can also arise from modifications to the scope of services. Variable consideration is included in the transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized will not occur once the uncertainty associated with the variable consideration is resolved. Our estimates of variable consideration and determination of whether to include such amounts in the transaction price are based largely on our assessment of legal enforceability, performance, and any other information (historical, current, and forecasted) that is reasonably available to us. There was no variable consideration as of January 31, 2022 or 2021. The Company presents shipping and handling costs, that occur after control of the promised goods or services transfer to the customer, as fulfillment costs rather than evaluating whether the shipping and handling activities are promised services to the customer.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company recognizes revenue when or as it satisfies a performance obligation by transferring a good or service to a customer, either (1) at a point in time or (2) over time. A good or service is transferred when, or as, the customer obtains control. The evaluation of whether control of each performance obligation is transferred at a point in time or over time is made at contract inception. Input measures such as costs incurred or time elapsed are utilized to assess progress against specific contractual performance obligations for the Company’s services. The selection of the method to measure progress towards completion requires judgment and is based on the nature of the services to be provided. For the Company, the input method using costs incurred or time elapsed best represents the measure of progress against the performance obligations incorporated within the contractual agreements. If estimated total costs on any contract project a loss, the Company charges the entire estimated loss to operations in the period the loss becomes known. The cumulative effect of revisions to revenue, estimated costs to complete contracts, including penalties, incentive awards, change orders, claims, anticipated losses, and others are recorded in the accounting period in which the events indicating a loss are known and the loss can be reasonably estimated. These loss projects are re-assessed for each subsequent reporting period until the project is complete. Such revisions could occur at any time and the effects may be material.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company’s contracts are either cost plus or fixed price contracts. Under cost plus contracts, customers are billed for actual expenses incurred plus an agreed-upon fee. Under cost plus contracts, a profit or loss on a project is recognized depending on whether actual costs are more or less than the agreed upon amount.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company has two types of fixed price contracts, firm fixed price and cost-sharing. Under firm fixed price contracts, the Company receives an agreed-upon amount for providing products and services specified in the contract, and a profit or loss is recognized depending on whether actual costs are more or less than the agreed upon amount. Under cost-sharing contracts, the fixed amount agreed upon with the customer is only intended to fund a portion of the costs on a specific project. Under cost sharing contracts, an amount corresponding to the revenue is recorded in cost of revenues, resulting in gross profit on these contracts of zero. The Company’s share of the costs is recorded as product development expense. The Company reports its disaggregation of revenue by contract type since this method best represents the Company’s business. For the nine-month periods ended January 31, 2022 and 2021, all of the Company’s contracts were classified as firm fixed price.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As of January 31, 2022, the Company’s total remaining performance obligations, also referred to as backlog, totaled $<span id="xdx_908_eus-gaap--RevenueRemainingPerformanceObligation_iI_pn5n6_c20220131_zPQxAxDAE4c2" title="Revenue remaining performance obligation">0.8</span> million. The Company expects to recognize <span id="xdx_900_ecustom--RevenueRemainingPerformancesObligationPercentage_pid_dp_uPure_c20210501__20220131_zLCFe6fEpFU8" title="Revenue remaining performance obligation, percentage">100</span>% of the remaining performance obligations as revenue over the next twelve months.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company also enters into lease arrangements for its PB3 and our Wave Adaptive Modular Vessels (“WAM-V”) with certain customers. Revenue related to multiple-element arrangements is allocated to lease and non-lease elements based on their relative standalone selling prices or expected cost plus a margin approach. Lease elements generally include a PB3 and components, while non-lease elements generally include engineering, monitoring and support services. In the lease arrangement, the customer is provided an option to extend the lease term or purchase the leased PB3 at some point during and/or at the end of the lease term.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Products and Solutions Leasing</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company enters into lease arrangements with certain customers for their products and solutions. As of January 31, 2022, the Company had one lease arrangement with a remaining operating lease term of less than 7 months. Revenue related to multiple-element arrangements is allocated to lease and non-lease elements based on their relative standalone selling prices or expected cost plus a margin approach. Lease elements generally include a PB3 and components, while non-lease elements generally include engineering, monitoring and support services. In the lease arrangement, the customer is provided an option to extend the lease term or purchase the leased PB3 at some point during and/or at the end of the lease term.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company classifies leases as either operating or financing in accordance with the authoritative accounting guidance contained within ASC Topic 842, <i>“Leases”.</i> At inception of the contract, the Company evaluates the lease against the lease classification criteria within ASC Topic 842. If the direct financing or sales-type classification criteria are met, then the lease is accounted for as a finance lease. All other leases are treated as operating leases.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company recognizes revenue from operating lease arrangements generally on a straight-line basis over the lease term which is presented in Revenues in the Consolidated Statements of Operations. The lease revenue for the nine months ended January 31, 2022 and 2021 was immaterial.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 800000 1 <p id="xdx_84E_eus-gaap--EarningsPerSharePolicyTextBlock_zZvX1ipIWb21" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(g) <span id="xdx_868_znU2KJI53lPd">Net Loss per Common Share</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Basic and diluted net loss per common share for all periods presented is computed by dividing net loss by the weighted average number of shares of common stock and common stock equivalents outstanding during the periods. The pre-funded warrants were determined to be common stock equivalents and have been included in the weighted average number of shares outstanding for calculation of basic net loss per common share . Due to the Company’s net losses, potentially dilutive securities, consisting of options to purchase shares of common stock, warrants on common stock and unvested restricted stock issued to employees and non-employee directors, were excluded from the diluted net loss per common share calculation due to their anti-dilutive effect.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In computing diluted net loss per common share on the Consolidated Statements of Operations, warrants exercisable for common stock, options to purchase shares of common stock and non-vested restricted stock issued to employees and non-employee directors, totaling <span id="xdx_909_eus-gaap--AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c20210501__20220131_pdd" title="Antidilutive securities excluded from computation of earnings per share, amount">6,356,123</span> and <span id="xdx_90F_eus-gaap--AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c20200501__20210131_pdd" title="Antidilutive securities excluded from computation of earnings per share, amount">5,221,258</span> for the nine months ended January 31, 2022 and 2021, respectively, were excluded from each of the computations as the effect would be anti-dilutive due to the Company’s net losses.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 6356123 5221258 <p id="xdx_84E_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zjFZOjb69SVc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(h) <span id="xdx_867_zg3Bffmmat3d">Recently Issued Accounting Standards</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In June 2016, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2016-13, “<i>Financial Instruments </i>- <i>Credit Losses (Topic 326), Measurement of Credit Losses on Financial Instruments.” </i>This amendment replaces the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses on instruments within its scope, including trade receivables. This update is intended to provide financial statement users with more decision-useful information about the expected credit losses. In November 2019, the FASB issued No. 2019-10, <i>Financial Instruments—Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842)</i>, which deferred the effective date of ASU 2016-13 for Smaller Reporting Companies for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. The Company is currently evaluating the impact of the adoption of ASU 2016-13 on its consolidated financial statements.</span></p> <p id="xdx_80B_ecustom--AccountReceivableContractAssetsAndContractLiabilitiesTextBlock_zkx9qyT015w4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(3) <span id="xdx_824_zVP50WQzirT3">Account Receivable and Contract Assets</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_893_ecustom--ScheduleOfAccountsReceivableContractAssetsAndContractLiabilitiesTableTextBlock_zX37aYccAexj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The following provides further details on the balance sheet accounts of accounts receivable and contract assets from contracts with customers:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B3_zG1WN85sW172" style="display: none">Schedule of Accounts Receivable, Contract Assets and Contract Liabilities</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_496_20220131_zbTa3kmusB2l" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_490_20210430_zXcszjs8DfKj" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_401_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accounts receivable</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">113</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">350</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_404_eus-gaap--ContractWithCustomerAssetNetCurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contract assets</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">407</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">190</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40F_eus-gaap--ContractWithCustomerLiabilityCurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contract liabilities</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">15</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1113">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8A3_z0tmZ0DjSym2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i> </i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Accounts Receivable</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company grants credit to its customers, generally without collateral, under normal payment terms (typically 30 to 60 days after invoicing). Generally, invoicing occurs after the related services are performed or control of goods have transferred to the customer. Accounts receivable represent an unconditional right to consideration arising from the Company’s performance under contracts with customers. The carrying value of such receivables represents their estimated realizable value.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Contract Assets</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contract assets include unbilled amounts typically resulting from arrangements whereby the right to payment is conditioned on completing additional tasks or services for a performance obligation. Significant changes in the contract assets balance during the period were as follows:</span></p> <p id="xdx_895_eus-gaap--ContractWithCustomerAssetAndLiabilityTableTextBlock_zu9tO89eHz01" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BC_zY5tgvGeojuj" style="display: none">Schedule of Significant Changes in Contract Assets and Contract Liabilities</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_498_20210501__20220131_zwQ2ZRbPzNdl" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--ContractWithCustomerAssetNet_iNS_pn3n3_di_zRWeyQ6sTHa2" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 78%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Transferred to receivables from contract assets recognized at the beginning of the period</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 18%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(190</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td></tr> <tr id="xdx_40A_eus-gaap--ContractWithCustomerAssetNet_iE_pn3n3_zSo6j0097m1c" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue recognized and not billed as of the end of the period</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">407</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_401_eus-gaap--IncreaseDecreaseInContractWithCustomerAsset_iT_pn3n3_zsLykBp0ml1h" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net change in contract assets</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">217</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8A2_z3gj4aGrrpEg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_893_ecustom--ScheduleOfAccountsReceivableContractAssetsAndContractLiabilitiesTableTextBlock_zX37aYccAexj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The following provides further details on the balance sheet accounts of accounts receivable and contract assets from contracts with customers:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B3_zG1WN85sW172" style="display: none">Schedule of Accounts Receivable, Contract Assets and Contract Liabilities</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_496_20220131_zbTa3kmusB2l" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_490_20210430_zXcszjs8DfKj" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_401_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accounts receivable</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">113</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">350</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_404_eus-gaap--ContractWithCustomerAssetNetCurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contract assets</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">407</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">190</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40F_eus-gaap--ContractWithCustomerLiabilityCurrent_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contract liabilities</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">15</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1113">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 113000 350000 407000 190000 15000 <p id="xdx_895_eus-gaap--ContractWithCustomerAssetAndLiabilityTableTextBlock_zu9tO89eHz01" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BC_zY5tgvGeojuj" style="display: none">Schedule of Significant Changes in Contract Assets and Contract Liabilities</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_498_20210501__20220131_zwQ2ZRbPzNdl" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--ContractWithCustomerAssetNet_iNS_pn3n3_di_zRWeyQ6sTHa2" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 78%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Transferred to receivables from contract assets recognized at the beginning of the period</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 18%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(190</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td></tr> <tr id="xdx_40A_eus-gaap--ContractWithCustomerAssetNet_iE_pn3n3_zSo6j0097m1c" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Revenue recognized and not billed as of the end of the period</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">407</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_401_eus-gaap--IncreaseDecreaseInContractWithCustomerAsset_iT_pn3n3_zsLykBp0ml1h" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Net change in contract assets</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">217</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 190000 407000 217000 <p id="xdx_80E_eus-gaap--OtherCurrentAssetsTextBlock_zxbOhOnsA2tl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(4) <span id="xdx_82E_zWWy2HdMU7Qf">Other Current Assets</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p id="xdx_894_eus-gaap--ScheduleOfOtherCurrentAssetsTableTextBlock_zOb9oIGBliWe" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other current assets consisted of the following at January 31, 2022 and April 30, 2021:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BE_zUQHnlgidtGh" style="display: none">Schedule of Other Current Assets</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_499_20220131_zyvdMlf294i6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49C_20210430_z7mboLLDyuFi" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_402_eus-gaap--PrepaidInsurance_iI_pn3n3_maOACz300_z2YxsIiPOxw3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prepaid insurance</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right">     <span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">178</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right">     <span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">194</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40A_ecustom--PrepaidSoftwareAndLicenses_pn3n3_maOACz300_zwqT8UeANQWd" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prepaid software &amp; licenses</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">84</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">93</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40B_ecustom--PrepaidSalesAndMarketing_pn3n3_maOACz300_z6yjFlOmwoOk" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prepaid sales and marketing</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">65</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">37</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40D_ecustom--PrepaidRecruitingAndHR_iI_pn3n3_maOACz300_zAWlyggL0ss8" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prepaid recruiting</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">57</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">12</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40B_eus-gaap--OtherReceivablesNetCurrent_iI_pn3n3_maOACz300_zWglV7NUVXuc" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other receivables</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">24</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">21</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_407_eus-gaap--DepositsAssetsCurrent_iI_pn3n3_maOACz300_z3KzRt7HPdg4" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Deposits</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1142">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">68</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40F_eus-gaap--OtherPrepaidExpenseCurrent_iI_pn3n3_maOACz300_zig9OVKS7AMg" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prepaid expenses- other</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">28</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">62</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_409_eus-gaap--OtherAssetsCurrent_iTI_pn3n3_mtOACz300_zE8SwhsDxjF8" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Other current assets</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">436</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">487</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8AE_z8L9gmvO25Pg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_894_eus-gaap--ScheduleOfOtherCurrentAssetsTableTextBlock_zOb9oIGBliWe" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other current assets consisted of the following at January 31, 2022 and April 30, 2021:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BE_zUQHnlgidtGh" style="display: none">Schedule of Other Current Assets</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_499_20220131_zyvdMlf294i6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49C_20210430_z7mboLLDyuFi" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_402_eus-gaap--PrepaidInsurance_iI_pn3n3_maOACz300_z2YxsIiPOxw3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prepaid insurance</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right">     <span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">178</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right">     <span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">194</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40A_ecustom--PrepaidSoftwareAndLicenses_pn3n3_maOACz300_zwqT8UeANQWd" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prepaid software &amp; licenses</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">84</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">93</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40B_ecustom--PrepaidSalesAndMarketing_pn3n3_maOACz300_z6yjFlOmwoOk" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prepaid sales and marketing</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">65</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">37</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40D_ecustom--PrepaidRecruitingAndHR_iI_pn3n3_maOACz300_zAWlyggL0ss8" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prepaid recruiting</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">57</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">12</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40B_eus-gaap--OtherReceivablesNetCurrent_iI_pn3n3_maOACz300_zWglV7NUVXuc" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other receivables</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">24</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">21</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_407_eus-gaap--DepositsAssetsCurrent_iI_pn3n3_maOACz300_z3KzRt7HPdg4" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Deposits</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1142">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">68</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40F_eus-gaap--OtherPrepaidExpenseCurrent_iI_pn3n3_maOACz300_zig9OVKS7AMg" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Prepaid expenses- other</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">28</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">62</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_409_eus-gaap--OtherAssetsCurrent_iTI_pn3n3_mtOACz300_zE8SwhsDxjF8" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Other current assets</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">436</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">487</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 178000 194000 84000 93000 65000 37000 57000 12000 24000 21000 68000 28000 62000 436000 487000 <p id="xdx_809_eus-gaap--PropertyPlantAndEquipmentDisclosureTextBlock_zoHgeImTxWsg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(5) <span id="xdx_825_zEsi0YOlGtvk">Property and Equipment, net</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89B_eus-gaap--PropertyPlantAndEquipmentTextBlock_zkS29BFv5Ahj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The components of property and equipment, net as of January 31, 2022 and April 30, 2021 consisted of the following:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BA_zQ9sv7Oqikt5" style="display: none">Schedule of Components of Property and Equipment</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_498_20220131_zLd1JW1a8JH8" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49B_20210430_zCfif4IC5Vce" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40D_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--EquipmentMember_zQYinpXEifmh" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Equipment</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">320</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">291</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_402_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerEquipmentAndSoftwareMember_zTwHEFIoBx4i" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Computer equipment &amp; software</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">521</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">498</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_402_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember_zePmHkVEU5B8" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Office furniture &amp; equipment</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">352</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">341</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_400_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zLVXc4GW5DB1" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Leasehold improvements</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">474</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">474</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_404_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--ConstructionInProgressMember_zRNP9TiPcXw3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Construction in process</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">15</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">15</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_407_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_maPPAENzI8F_znZZYA4b0Jg7" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Property and equipment, gross</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,682</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,619</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_401_eus-gaap--AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_iNI_pn3n3_di_msPPAENzI8F_zt50YEN1V8Ff" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Less: accumulated depreciation</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1,317</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1,213</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td></tr> <tr id="xdx_406_eus-gaap--PropertyPlantAndEquipmentNet_iTI_pn3n3_mtPPAENzI8F_zRRE9SbEVol5" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Property and equipment, net</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">365</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">406</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8A7_zX05log2E8hg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Depreciation expense was approximately $<span id="xdx_90D_eus-gaap--Depreciation_pn3n3_c20210501__20220131_zwhH3OsO1ep1" title="Depreciation expense">104,000</span> and $<span id="xdx_909_eus-gaap--Depreciation_pn3n3_c20200501__20210131_zTtgmcnN90v1" title="Depreciation expense">106,000</span> for the nine month periods ended January 31, 2022 and 2021, respectively.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89B_eus-gaap--PropertyPlantAndEquipmentTextBlock_zkS29BFv5Ahj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The components of property and equipment, net as of January 31, 2022 and April 30, 2021 consisted of the following:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BA_zQ9sv7Oqikt5" style="display: none">Schedule of Components of Property and Equipment</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_498_20220131_zLd1JW1a8JH8" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49B_20210430_zCfif4IC5Vce" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40D_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--EquipmentMember_zQYinpXEifmh" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Equipment</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">320</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">291</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_402_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerEquipmentAndSoftwareMember_zTwHEFIoBx4i" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Computer equipment &amp; software</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">521</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">498</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_402_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember_zePmHkVEU5B8" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Office furniture &amp; equipment</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">352</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">341</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_400_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zLVXc4GW5DB1" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Leasehold improvements</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">474</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">474</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_404_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--ConstructionInProgressMember_zRNP9TiPcXw3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Construction in process</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">15</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">15</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_407_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_maPPAENzI8F_znZZYA4b0Jg7" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Property and equipment, gross</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,682</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,619</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_401_eus-gaap--AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_iNI_pn3n3_di_msPPAENzI8F_zt50YEN1V8Ff" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Less: accumulated depreciation</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1,317</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1,213</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td></tr> <tr id="xdx_406_eus-gaap--PropertyPlantAndEquipmentNet_iTI_pn3n3_mtPPAENzI8F_zRRE9SbEVol5" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Property and equipment, net</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">365</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">406</span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 320000 291000 521000 498000 352000 341000 474000 474000 15000 15000 1682000 1619000 1317000 1213000 365000 406000 104000000 106000000 <p id="xdx_807_eus-gaap--LesseeOperatingLeasesTextBlock_zCfunVCrZRD2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(6) <span id="xdx_822_zdMHWb6q1UKg">Leases</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Lessor Information</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As of January 31, 2022, the Company has one lease which has been classified as an operating lease per accounting guidance contained within ASC Topic 842,” <i>Leases”</i>. The Company’s remaining term on this operating lease is less than 7 months. The maturity of lease payments remaining on this lease is immaterial.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Lessee Information</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company has a lease for its facility located in Monroe Township, New Jersey that is used as warehouse/production space and the Company’s principal offices and corporate headquarters. <span id="xdx_90D_eus-gaap--LesseeOperatingLeaseOptionToExtend_c20210501__20220131__srt--StatementGeographicalAxis__custom--MonroeTownshipMember_zoTrr3SiP1Z7" title="Lessee, operating lease, option to extend">The initial lease term is for <span id="xdx_90E_eus-gaap--LesseeOperatingLeaseTermOfContract_c20220131__srt--StatementGeographicalAxis__custom--MonroeTownshipMember" title="Lessee, operating lease, term of contract">seven years</span> which expires in November of 2024 with an option to extend the lease for another five years.</span> The lease is classified as an operating lease. The operating lease is included in right-of-use assets, lease liabilities- current and lease liabilities- long-term on the Company’s Consolidated Balance Sheets.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company also has two leases for properties located in Houston, Texas. The first was acquired as part of the 3Dent acquisition (see Note 18) that is used as office space. The lease term is for <span id="xdx_90D_eus-gaap--LesseeOperatingLeaseTermOfContract_iI_dtY_c20220131__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_zOEJzlVy1RYh" title="Lessee, operating lease, term of contract">3 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">years and is set to <span id="xdx_906_eus-gaap--LesseeOperatingLeaseOptionToExtend_c20210501__20220131__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_zqfKMeBDwd8d" title="Lessee, operating lease, option to extend">expire in January of 2023</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">. The lease is classified as an operating lease and included in the right-of-use assets, lease liabilities- current and lease liabilities- long-term on the Company’s Consolidated Balance Sheets.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The other Houston lease is for additional office space and was renewed for a 12-month term ending on June 30, 2022. In accordance with ASC 842-20-5-2, since the lease term at the time of renewal was 12 months, the asset was recognized directly to the profit and loss statement on a straight-line basis and was not recognized as a right-of-use asset.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white">The Company also has a lease with the University of California Berkeley in Berkeley, California that was acquired as part of the MAR acquisition (see Note 18). The lease expires on <span id="xdx_90F_eus-gaap--LeaseExpirationDate1_c20210501__20220131__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_zT6osmei8Lh9" title="Lease expiration date">June 30, 2022</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white">. </span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In accordance with ASC 842-20-5-2, since the remaining lease term at the time of the acquisition of MAR was less than 12 months, the asset was recognized directly to the profit and loss statement on a straight-line basis and was not recognized as a right-of-use asset.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white">Right-of-use asset and operating lease liabilities are recognized based on the present value of futur</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">e minimum lease payments over the lease term at commencement date. When the implicit rate of the lease is not provided or cannot be determined, the Company uses the incremental borrowing rate based on the information available at the effective date to determine the present value of future payments. Lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise those options. The renewal options have not been included in the lease term as they are not reasonably certain of exercise. Lease expense for minimum lease payments is recognized on a straight- line basis over the lease term and consists of interest on the lease liability and the amortization of the right of use asset. Variable lease expenses, if any, are recorded as incurred.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The operating lease cash flow payments for the three months ended January 31, 2022 and 2021 were $<span id="xdx_906_eus-gaap--OperatingLeasePayments_c20211101__20220131_pp0p0" title="Operating lease payments">111,000</span> and $<span id="xdx_900_eus-gaap--OperatingLeasePayments_c20201101__20210131_pp0p0" title="Operating lease payments">91,000</span>, respectively. The operating lease cash flow payments for the nine months ended January 31, 2022 and 2021 were $<span id="xdx_905_eus-gaap--OperatingLeasePayments_c20210501__20220131_pp0p0" title="Operating lease payments">315,000</span> and $<span id="xdx_907_eus-gaap--OperatingLeasePayments_c20200501__20210131_pp0p0" title="Operating lease payments">259,000</span>, respectively.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89F_eus-gaap--LeaseCostTableTextBlock_zZrDl53ft1ud" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The components of lease expense in the Consolidated Statements of Operations for the three and nine months ended January 31, 2022 and 2021 were as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BD_zCe6TVq7bgl2" style="display: none">Schedule of Operating Lease Costs</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49D_20211101__20220131_zLP8wmlxyiqk" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_491_20201101__20210131_zdKOw7bESiDg" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49B_20210501__20220131_zrE44jNGBQPf" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_495_20200501__20210131_zFY2nMX1hffj" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Three months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40B_eus-gaap--OperatingLeaseCost_maLCzBwM_zmSUgfJ9eNI9" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Operating lease cost</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">92</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">79</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">276</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">238</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40F_eus-gaap--ShortTermLeaseCost_maLCzBwM_zqBdE4uVBEV2" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Short-term lease cost</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">12</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">7</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">22</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">12</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_409_eus-gaap--LeaseCost_iT_pn3n3_mtLCzBwM_zQVUYr6oRHti" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total lease cost</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">104</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">86</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">298</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">250</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8A1_zt73tT2yM3Wl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_896_ecustom--ScheduleOfRightofUseAssetsAndLeaseLiabilitiesTableTextBlock_ztFBYrfPIe9h" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Information related to the Company’s right-of use assets and lease liabilities as of January 31, 2022 was as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B8_zitTl4PqwDad" style="display: none">Schedule of Right-of Use Assets and Lease Liabilities</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_490_20220131_zAG3VTEOvvm3" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands) </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-decoration: underline; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Operating lease:</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40C_eus-gaap--OperatingLeaseRightOfUseAsset_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; width: 80%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Operating right-of-use asset, net</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">825</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40F_eus-gaap--OperatingLeaseLiabilityCurrent_iI_pn3n3_maOLLzIil_zpvnlDtVLio1" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Right-of-use liability- current</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">323</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--OperatingLeaseLiabilityNoncurrent_iI_pn3n3_maOLLzIil_zCnU2SCKPiCa" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Right-of-use liability- long term</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">615</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--OperatingLeaseLiability_iTI_pn3n3_mtOLLzIil_zQW5UrsDPMul" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total lease liability</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">938</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Weighted average remaining lease term- operating leases</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_904_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20220131_zc9i0zCos5oh" title="Weighted average remaining lease term- operating leases">2.61</span> years</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Weighted average discount rate- operating leases</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90B_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20220131_zzxzmM87Mdeb" title="Weighted average discount rate- operating leases">8.2</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> </table> <p id="xdx_8A2_z27mbRdoAv5j" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89F_eus-gaap--LesseeOperatingLeaseLiabilityMaturityTableTextBlock_zk1Cc1oYnOQ4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total remaining lease payments under the Company’s operating leases are as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B1_zWpYTmNFPUk9" style="display: none">Schedule of Future Minimum Lease Payments Under Operating Lease</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_493_20220131_zGKX5lWXUqu" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_pn3n3_maLOLLPzbOq_zplVcKBPaBRe" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 80%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Remainder of fiscal year 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">99</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40A_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_maLOLLPzbOq_zKlMGr0PknV4" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2023</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">391</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_401_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_maLOLLPzbOq_zTCvMfPcgFi3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2024</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">362</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_maLOLLPzbOq_ztcFDWbeWcF4" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2025</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">184</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_407_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iTI_pn3n3_mtLOLLPzbOq_zM7Ffr6Jyiwh" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total future minimum lease payments</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,036</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_zxIt73wmWnR4" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Less imputed interest</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(98</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td></tr> <tr id="xdx_401_eus-gaap--OperatingLeaseLiability_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">938</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8A8_zKxnbUNqe7n5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> The initial lease term is for seven years which expires in November of 2024 with an option to extend the lease for another five years. P7Y P3Y expire in January of 2023 2022-06-30 111000 91000 315000 259000 <p id="xdx_89F_eus-gaap--LeaseCostTableTextBlock_zZrDl53ft1ud" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The components of lease expense in the Consolidated Statements of Operations for the three and nine months ended January 31, 2022 and 2021 were as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BD_zCe6TVq7bgl2" style="display: none">Schedule of Operating Lease Costs</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; display: none; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49D_20211101__20220131_zLP8wmlxyiqk" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_491_20201101__20210131_zdKOw7bESiDg" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_49B_20210501__20220131_zrE44jNGBQPf" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_495_20200501__20210131_zFY2nMX1hffj" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Three months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40B_eus-gaap--OperatingLeaseCost_maLCzBwM_zmSUgfJ9eNI9" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Operating lease cost</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">92</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">79</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">276</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">238</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40F_eus-gaap--ShortTermLeaseCost_maLCzBwM_zqBdE4uVBEV2" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Short-term lease cost</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">12</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">7</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">22</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">12</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_409_eus-gaap--LeaseCost_iT_pn3n3_mtLCzBwM_zQVUYr6oRHti" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total lease cost</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">104</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">86</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">298</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">250</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 92000 79000 276000 238000 12000 7000 22000 12000 104000 86000 298000 250000 <p id="xdx_896_ecustom--ScheduleOfRightofUseAssetsAndLeaseLiabilitiesTableTextBlock_ztFBYrfPIe9h" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Information related to the Company’s right-of use assets and lease liabilities as of January 31, 2022 was as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B8_zitTl4PqwDad" style="display: none">Schedule of Right-of Use Assets and Lease Liabilities</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_490_20220131_zAG3VTEOvvm3" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands) </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-decoration: underline; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Operating lease:</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40C_eus-gaap--OperatingLeaseRightOfUseAsset_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; width: 80%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Operating right-of-use asset, net</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">825</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40F_eus-gaap--OperatingLeaseLiabilityCurrent_iI_pn3n3_maOLLzIil_zpvnlDtVLio1" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Right-of-use liability- current</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">323</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--OperatingLeaseLiabilityNoncurrent_iI_pn3n3_maOLLzIil_zCnU2SCKPiCa" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Right-of-use liability- long term</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">615</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--OperatingLeaseLiability_iTI_pn3n3_mtOLLzIil_zQW5UrsDPMul" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total lease liability</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">938</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Weighted average remaining lease term- operating leases</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_904_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20220131_zc9i0zCos5oh" title="Weighted average remaining lease term- operating leases">2.61</span> years</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Weighted average discount rate- operating leases</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90B_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20220131_zzxzmM87Mdeb" title="Weighted average discount rate- operating leases">8.2</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> </table> 825000 323000 615000 938000 P2Y7M9D 0.082 <p id="xdx_89F_eus-gaap--LesseeOperatingLeaseLiabilityMaturityTableTextBlock_zk1Cc1oYnOQ4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total remaining lease payments under the Company’s operating leases are as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B1_zWpYTmNFPUk9" style="display: none">Schedule of Future Minimum Lease Payments Under Operating Lease</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_493_20220131_zGKX5lWXUqu" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_pn3n3_maLOLLPzbOq_zplVcKBPaBRe" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 80%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Remainder of fiscal year 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">99</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40A_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_maLOLLPzbOq_zKlMGr0PknV4" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2023</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">391</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_401_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_maLOLLPzbOq_zTCvMfPcgFi3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2024</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">362</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_403_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_maLOLLPzbOq_ztcFDWbeWcF4" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2025</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">184</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_407_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iTI_pn3n3_mtLOLLPzbOq_zM7Ffr6Jyiwh" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total future minimum lease payments</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,036</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_zxIt73wmWnR4" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Less imputed interest</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(98</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td></tr> <tr id="xdx_401_eus-gaap--OperatingLeaseLiability_iI_pn3n3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">938</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 99000 391000 362000 184000 1036000 98000 938000 <p id="xdx_808_eus-gaap--AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_zTj6eYHyQ82e" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(7) <span id="xdx_82A_zjg4175tMeLk">Accrued Expenses</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p id="xdx_895_eus-gaap--ScheduleOfAccruedLiabilitiesTableTextBlock_z1TUMTLUEYTk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued expenses consisted of the following at January 31, 2022 and April 30, 2021:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B1_zwqSHtG4zde8" style="display: none">Schedule of Accrued Expenses</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_495_20220131_z1r0lzKjL3N4" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_494_20210430_zb36zBnpm6E3" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--ConstructionPayableCurrent_iI_pn3n3_maALCzOT0_zoHZ8Ip2GS5k" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Project costs</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">102</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">368</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--LossContingencyAccrualCarryingValueCurrent_iI_pn3n3_maALCzOT0_zzDIe372nbn1" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contract loss reserve</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">328</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">328</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_405_eus-gaap--OtherEmployeeRelatedLiabilitiesCurrent_iI_pn3n3_maALCzOT0_z3xOcTIGukI" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Employee incentive payments</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">191</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">283</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40C_eus-gaap--AccruedSalariesCurrent_iI_pn3n3_maALCzOT0_zWKdZb64ggJ2" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued salary and benefits</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">409</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">631</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--AccruedProfessionalFeesCurrent_iI_pn3n3_maALCzOT0_z4lBY0qoR35k" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Professional fees</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">96</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">200</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_400_eus-gaap--OtherAccruedLiabilitiesCurrent_iI_pn3n3_maALCzOT0_z1joKwXNreFj" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">166</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">71</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40E_eus-gaap--AccruedLiabilitiesCurrent_iTI_pn3n3_mtALCzOT0_z2ki5V06ZCg3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued expenses total </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,292</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,881</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8AB_zoh2YUoFwzf5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_895_eus-gaap--ScheduleOfAccruedLiabilitiesTableTextBlock_z1TUMTLUEYTk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued expenses consisted of the following at January 31, 2022 and April 30, 2021:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B1_zwqSHtG4zde8" style="display: none">Schedule of Accrued Expenses</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_495_20220131_z1r0lzKjL3N4" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" id="xdx_494_20210430_zb36zBnpm6E3" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(in thousands)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--ConstructionPayableCurrent_iI_pn3n3_maALCzOT0_zoHZ8Ip2GS5k" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Project costs</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">102</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">368</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_408_eus-gaap--LossContingencyAccrualCarryingValueCurrent_iI_pn3n3_maALCzOT0_zzDIe372nbn1" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contract loss reserve</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">328</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">328</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_405_eus-gaap--OtherEmployeeRelatedLiabilitiesCurrent_iI_pn3n3_maALCzOT0_z3xOcTIGukI" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Employee incentive payments</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">191</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">283</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40C_eus-gaap--AccruedSalariesCurrent_iI_pn3n3_maALCzOT0_zWKdZb64ggJ2" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued salary and benefits</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">409</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">631</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_406_eus-gaap--AccruedProfessionalFeesCurrent_iI_pn3n3_maALCzOT0_z4lBY0qoR35k" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Professional fees</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">96</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">200</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_400_eus-gaap--OtherAccruedLiabilitiesCurrent_iI_pn3n3_maALCzOT0_z1joKwXNreFj" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Other</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">166</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">71</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr id="xdx_40E_eus-gaap--AccruedLiabilitiesCurrent_iTI_pn3n3_mtALCzOT0_z2ki5V06ZCg3" style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued expenses total </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,292</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,881</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 102000 368000 328000 328000 191000 283000 409000 631000 96000 200000 166000 71000 1292000 1881000 <p id="xdx_805_ecustom--WarrantDisclosureTextBlock_zAqjhc3JX067" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(8) <span id="xdx_822_zp3b90MKJKUd">Warrants</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Liability Classified Warrants</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On June 2, 2016, the Company entered into a securities purchase agreement, which was amended on June 7, 2016 (as amended, the “June Purchase Agreement”) with certain institutional purchasers (the “June Purchasers”). Pursuant to the terms of the June Purchase Agreement, the Company sold an aggregate of <span id="xdx_902_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_pid_c20160601__20160602__us-gaap--TypeOfArrangementAxis__custom--JunePurchaseAgreementMember_zdhIBEnDbcRe" title="Number of common stock shares sold">20,850</span> shares of Common Stock together with warrants to purchase up to an aggregate of <span id="xdx_90D_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_pid_c20160602__us-gaap--TypeOfArrangementAxis__custom--JunePurchaseAgreementMember_zXg1olcZgxY7" title="Purchase of warrants">7,298</span> shares of Common Stock. Each share of common stock was sold together with a warrant to purchase <span id="xdx_902_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_iI_pid_c20160602__us-gaap--TypeOfArrangementAxis__custom--JunePurchaseAgreementMember_zmwqblH8CCLf" title="Purchase of common stock warrants">0.35</span> of a share of common stock at a combined purchase price of $<span id="xdx_90F_ecustom--CommonStockCombinedPurchasePricePerShare_iI_pid_c20160602__us-gaap--TypeOfArrangementAxis__custom--JunePurchaseAgreementMember_zjRgijf2CZK4" title="Common stock combined purchase price per share">92.00</span>. The warrants have an exercise price of $<span id="xdx_906_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_pid_c20160602__us-gaap--TypeOfArrangementAxis__custom--JunePurchaseAgreementMember_zy1QeqkOWR52" title="Exercise price of warrants">121.60</span> per share, became exercisable on December 3, 2016 (“Initial Exercise Date”), and expired on December 3, 2021, <span id="xdx_908_eus-gaap--WarrantsAndRightsOutstandingTerm_iI_dc_c20160602__us-gaap--TypeOfArrangementAxis__custom--JunePurchaseAgreementMember_zfh3ZLSZbe9l" title="Warrants and rights outstanding, term">five years</span> following the Initial Exercise Date. As of the expiration date, <span id="xdx_900_ecustom--NumberOfExercisedWarrants_iI_pid_dn_c20160602__us-gaap--TypeOfArrangementAxis__custom--JunePurchaseAgreementMember_zAewyaW9hg9k" title="Number of exercised warrants">none</span> of the warrants had been exercised.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On July 22, 2016, the Company entered into a Second Amendment to the Purchase Agreement (the “Second Amended Purchase Agreement”) with certain institutional purchasers (the “July Purchasers”). Pursuant to the terms of the Second Amended Purchase Agreement, the Company sold an aggregate of <span id="xdx_90E_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_pid_c20160721__20160722__us-gaap--TypeOfArrangementAxis__custom--SecondAmendedPurchaseAgreementMember_zGHYMDcO7SY">29,750 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">shares of Common Stock together with warrants to purchase up to an aggregate of <span id="xdx_905_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_pid_c20160722__us-gaap--TypeOfArrangementAxis__custom--SecondAmendedPurchaseAgreementMember_zVPFyz5bHLW">8,925 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">shares of Common Stock. Each share of common stock was sold together with a warrant to purchase <span id="xdx_908_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_iI_pid_c20160722__us-gaap--TypeOfArrangementAxis__custom--SecondAmendedPurchaseAgreementMember_zcI6OyKq7aci">0.30 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of a share of common stock at a combined purchase price of $<span id="xdx_904_ecustom--CommonStockCombinedPurchasePricePerShare_iI_pid_c20160722__us-gaap--TypeOfArrangementAxis__custom--SecondAmendedPurchaseAgreementMember_zxCP97f4Mi6i">135.00</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">. The warrants were exercisable immediately at an exercise price of $<span id="xdx_905_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_pid_c20160722__us-gaap--TypeOfArrangementAxis__custom--SecondAmendedPurchaseAgreementMember_z5YlmAP0zq5h">187.20 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">per share. The warrants expired on <span id="xdx_90B_eus-gaap--WarrantsAndRightsOutstandingMaturityDate_iI_dd_c20160722__us-gaap--TypeOfArrangementAxis__custom--SecondAmendedPurchaseAgreementMember_z4Vz2et7jnQ">January 23, 2022</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">, the fifth (<span id="xdx_90A_eus-gaap--WarrantsAndRightsOutstandingTerm_iI_dtY_c20160722__us-gaap--TypeOfArrangementAxis__custom--SecondAmendedPurchaseAgreementMember_zyhdpDZV8GNh">5</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">th) anniversary of the initial exercise date of January 23, 2017. As of the expiration date, <span id="xdx_902_ecustom--NumberOfExercisedWarrants_iI_pid_dn_c20160722__us-gaap--TypeOfArrangementAxis__custom--SecondAmendedPurchaseAgreementMember_zOJTElIUBnZj">none </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of the warrants had been exercised.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Equity Classified Warrants</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On April 8, 2019, the Company issued and sold <span id="xdx_903_eus-gaap--SaleOfStockNumberOfSharesIssuedInTransaction_pid_c20190407__20190408_zh7i4PrcXq6b" title="Number of common stock shares sold">1,542,000</span> shares of common stock and pre-funded warrants to purchase up to <span id="xdx_90F_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_pid_c20190408__us-gaap--StatementEquityComponentsAxis__custom--PreFundedWarrantsMember_znGb5S4Taub8" title="Purchase of warrants">3,385,680</span> shares of common stock and common warrants to purchase up to <span id="xdx_901_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_pid_c20190408__us-gaap--StatementEquityComponentsAxis__custom--CommonWarrantsMember_zjLUTX0mFJ89" title="Purchase of warrants">4,927,680</span> shares of our common stock in an underwritten public offering. The public offering price for the pre-funded warrants was equal to the public offering price of the common stock, less the $<span id="xdx_908_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_pid_c20190408__us-gaap--StatementEquityComponentsAxis__custom--PreFundedWarrantsMember_zf5NZT0Xb6uh" title="Exercise price of warrants">0.01</span> per share exercise price of each warrant. The pre-funded warrants have no expiration date. As of January 31, 2022, all of the pre-funded warrants had been exercised. The common stock warrants have an exercise price of $<span id="xdx_905_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_pid_c20190408__us-gaap--StatementEquityComponentsAxis__custom--CommonWarrantsMember_zY3lQEdmPMd" title="Exercise price of warrants">3.85</span> per share and expire <span id="xdx_903_eus-gaap--WarrantsAndRightsOutstandingTerm_iI_dc_c20190408__us-gaap--StatementEquityComponentsAxis__custom--CommonWarrantsMember_zVPqRLMLYEfk" title="Warrants and rights outstanding, term">five years</span> from the issuance date. As of January 31, 2022, all of the common warrants had been exercised.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company accounts for warrants issued in connection with its June 2016 and July 2016 public offerings in accordance with the guidance on “<i>Accounting for Certain Financial Instruments with Characteristics of Both Liabilities and Equity</i>” in Topic 480 which provides that the Company classify the warrant instruments as a liability at its fair value. The warrant liabilities are subject to re-measurement at each balance sheet date using the Black-Scholes option pricing model. The June 2016 and July 2016 warrants contained a feature whereby they could require the transfer of assets and therefore are classified as a liability award in accordance with the guidance in Topic 480. The warrants were all expired as of January 31, 2022 and had a value near zero as of </span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">April 30, 2021. The pre-funded and common warrants issued in the Company’s April 8, 2019 public offering did not meet the criteria to be classified as a liability award and therefore were treated as an equity award and recorded as a component of shareholders’ equity in the Consolidated Balance Sheets.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 20850 7298 0.35 92.00 121.60 P5Y 0 29750 8925 0.30 135.00 187.20 2022-01-23 P5Y 0 1542000 3385680 4927680 0.01 3.85 P5Y <p id="xdx_801_eus-gaap--DebtDisclosureTextBlock_zogtgjNXwXBa" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(9) <span id="xdx_82E_zZh36Vz1giuh">Paycheck Protection Program Loan</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On March 27, 2020, the U.S. Government passed into law the Coronavirus Aid, Relief and Economic Security Act, or the (“CARES Act”). On May 3, 2020, the Company signed a Paycheck Protection Program (“PPP”) loan with Santander as the lender for approximately $<span id="xdx_907_eus-gaap--ProceedsFromLoanOriginations1_c20200501__20200503__us-gaap--TypeOfArrangementAxis__custom--PaycheckProtectionProgramMember_pp0p0" title="Proceeds from loan originations">890,000</span> in support through the Small Business Association (“SBA”) under the PPP Loan. The PPP Loan was unsecured and evidenced by a note in favor of Santander as the lender and governed by a Loan Agreement with Santander. The Company received the proceeds on May 5, 2020.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_906_ecustom--DebtForgivenessDescription_c20200501__20200503__us-gaap--TypeOfArrangementAxis__custom--PaycheckProtectionProgramMember_zBmMYTCywIXf" title="Debt forgiveness, description">The Company filed its loan forgiveness application at the end of February 2021 asking for <span id="xdx_90C_eus-gaap--DebtInstrumentInterestRateStatedPercentage_iI_pid_dp_c20200503__us-gaap--TypeOfArrangementAxis__custom--PaycheckProtectionProgramMember_zPsNYjhcoO9j" title="Debt interest rate">100</span>% forgiveness of the loan. In June 2021, the Company was informed that its application was approved, and that the loan is now fully forgiven. The Company recognized a gain on extinguishment of PPP loan of approximately $<span id="xdx_905_eus-gaap--RepaymentsOfLongTermDebt_pp0p0_c20210202__20211031__us-gaap--TypeOfArrangementAxis__custom--PaycheckProtectionProgramMember_ztMXdZv6vRHj" title="Repayments of long-term debt">890,000</span> during the nine months ended October 31, 2021 as reflected on the Consolidated Statement of Operations.</span></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 890000 The Company filed its loan forgiveness application at the end of February 2021 asking for 100% forgiveness of the loan. In June 2021, the Company was informed that its application was approved, and that the loan is now fully forgiven. The Company recognized a gain on extinguishment of PPP loan of approximately $890,000 during the nine months ended October 31, 2021 as reflected on the Consolidated Statement of Operations. 1 890000 <p id="xdx_80E_eus-gaap--PreferredStockTextBlock_zQ2qEZB56wd4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(10) <span id="xdx_822_z6ctCEBR8aT5">Preferred Stock</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company has authorized <span id="xdx_90A_eus-gaap--PreferredStockSharesAuthorized_iI_pid_c20220131_z22aIg5O2fS2" title="Preferred stock, shares authorized">5,000,000</span> shares of undesignated preferred stock with a par value of $<span id="xdx_90A_eus-gaap--PreferredStockParOrStatedValuePerShare_iI_pid_c20220131_z6wkombe8Nw2" title="Preferred stock, par value">0.001</span> per share. As of January 31, 2022, <span id="xdx_90F_eus-gaap--PreferredStockSharesIssued_iI_pid_do_c20220131_zZ2QEyzrQjQd" title="Preferred stock, shares issued">no</span> shares of preferred stock had been issued.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 5000000 0.001 0 <p id="xdx_80F_eus-gaap--StockholdersEquityNoteDisclosureTextBlock_zVNhMxmWvUue" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(11) <span id="xdx_82C_zAV1WBwr0pLa">Common Stock</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company has authorized <span id="xdx_90A_eus-gaap--CommonStockSharesAuthorized_iI_pid_c20220131_zXnWJxsQtzq9" title="Common stock, shares authorized">100,000,000</span> shares of common stock with a par value of $<span id="xdx_90B_eus-gaap--CommonStockParOrStatedValuePerShare_iI_pid_c20220131_zYD7eYP5B9T9" title="Common stock, par value">0.001</span> per share. As of January 31, 2022, <span id="xdx_905_eus-gaap--CommonStockSharesIssued_iI_pid_c20220131_z2YNQhCCcp1" title="Common stock, shares issued"><span id="xdx_902_eus-gaap--CommonStockSharesOutstanding_iI_pid_c20220131_z1LAV7F7DLFi" title="Common stock, shares outstanding">55,894,213</span></span> shares had been issued and are outstanding.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 100000000 0.001 55894213 55894213 <p id="xdx_800_eus-gaap--TreasuryStockTextBlock_zy4ucjx0hgBh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(12) <span id="xdx_82B_zQQs684KTUc4">Treasury Shares</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">During each of the nine months ended January 31, 2022 and 2021, <span id="xdx_90F_eus-gaap--TreasuryStockSharesAcquired_pid_do_c20210501__20220131_zNwLX97hwmc4" title="Treasury stock, shares, acquired"><span id="xdx_906_eus-gaap--TreasuryStockSharesAcquired_pid_do_c20200501__20210131_zOu2wKXnw452" title="Treasury stock, shares, acquired">no</span></span> shares of common stock were purchased by the Company from employees to pay taxes related to the vesting of restricted stock.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 0 0 <p id="xdx_805_eus-gaap--DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_zXRqsvPgPG7k" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(13) <span id="xdx_828_zJK2Avg8SfW2">Share-Based Compensation</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In 2015, upon approval by the Company’s shareholders, the Company’s 2015 Omnibus Incentive Plan (the “2015 Plan”) became effective. A total of <span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_c20151231__us-gaap--PlanNameAxis__custom--TwoThousandAndFifteenOmnibusIncentivePlanMember_pdd" title="Share-based compensation arrangement shares authorized">1,332,036</span> shares were authorized for issuance under the 2015 Omnibus Incentive Plan, including shares available for awards under the 2006 Stock Incentive Plan remaining at the time that plan terminated, or that were subject to awards under the 2006 Stock Incentive Plan that thereafter terminated by reason of expiration, forfeiture, cancellation or otherwise. If any award under the 2006 Stock Incentive Plan or 2015 Plan expires, is cancelled, terminates unexercised or is forfeited, those shares become again available for grant under the 2015 Plan. The 2015 Plan will terminate ten years after its effective date, in October 2025, but is subject to earlier termination as provided in the 2015 Plan. As of January 31, 2022, the Company has <span id="xdx_908_eus-gaap--CommonStockCapitalSharesReservedForFutureIssuance_c20220131__us-gaap--PlanNameAxis__custom--TwoThousandAndFifteenOmnibusIncentivePlanMember_pdd" title="Capital shares reserved for future issuance">696,627</span> shares available for future issuance under the 2015 Plan which reflects adjustments made for the departure of our former CEO as well as other departures.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On January 18, 2018, the Company’s Board of Directors adopted the Company’s Employment Inducement Incentive Award Plan (the “2018 Inducement Plan”) pursuant to which the Company reserved <span id="xdx_902_eus-gaap--CommonStockCapitalSharesReservedForFutureIssuance_c20180118__us-gaap--PlanNameAxis__custom--TwoThousandAndEighteenInducementPlanMember_pdd" title="Capital shares reserved for future issuance">25,000</span> shares of common stock for issuance under the Inducement Plan. In accordance with Rule 711(a) of the NYSE American Company Guide, awards under the Inducement Plan may only be made to individuals not previously employed by the Company (or following such individuals’ bona fide period of non-employment with the Company), as an inducement material to the individuals’ entry into employment with the Company. An award is any right to receive the Company’s common stock pursuant to the 2018 Inducement Plan, consisting of a performance share award, restricted stock award, a restricted stock unit award or a stock payment award. As of January 31, 2022, there were <span id="xdx_90F_eus-gaap--CommonStockCapitalSharesReservedForFutureIssuance_c20220131__us-gaap--PlanNameAxis__custom--TwoThousandAndEighteenInducementPlanMember_pdd" title="Capital shares reserved for future issuance">11,487</span> shares available for grant under the 2018 Inducement Plan. On February 9, 2022 the 2018 Inducement Plan was amended to increase the authorized shares by <span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_iI_pid_c20220208__us-gaap--PlanNameAxis__custom--TwoThousandAndEighteenInducementPlanMember_zTufnVQDbdfb" title="Share-based compensation arrangement shares authorized">250,000</span> to <span id="xdx_904_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_iI_pid_c20220209__us-gaap--PlanNameAxis__custom--TwoThousandAndEighteenInducementPlanMember_zaFhKeiXz2Sf" title="Share-based compensation arrangement shares authorized">275,000</span>.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Stock Options</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company estimates the fair value of each stock option award granted with service-based vesting requirements, using the Black-Scholes option pricing model, assuming no dividends, and using the weighted average valuation assumptions noted in the following table. The risk-free rate is based on the US Treasury yield curve in effect at the time of grant. The expected life (estimated period of time outstanding) of the stock options granted is estimated using the “simplified” method as permitted by the SEC’s Staff Accounting Bulletin No. 110, <i>Share-Based Payment.</i> Expected volatility is based on the Company’s historical volatility over the expected life of the stock option granted. The Company granted options to acquire <span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20211101__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zAZgXjAhasJ1">793,850 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and <span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zqqZtjTtbJk9">248,876 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">shares of stock options during the three and nine months ended January 31, 2022 and 2021, respectively. The following assumptions were used to value the awards:</span></p> <p id="xdx_890_eus-gaap--ScheduleOfAssumptionsUsedTableTextBlock_z8EiUHTn0w23" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B3_zWaD8s0syXn3" style="display: none">Schedule of Valuation Assumptions</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Risk-free interest rate</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zqQydPnN40E3" title="Risk-free interest rate">1.5</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_904_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zrCiQQnB8bR3" title="Risk-free interest rate">6.0</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected dividend yield</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dp_uPure_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zWTySAUWOzV7" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expected dividend yield"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1367">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dp_uPure_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zel3u5Dy7gy7" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expected dividend yield"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1369">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected life (in years)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zdJIGWaFClLg" style="font-family: Times New Roman, Times, Serif; font-size: 10pt" title="Expected life (in years)">5.6</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span id="xdx_90F_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_z0xdwpHQxkv" style="font-family: Times New Roman, Times, Serif; font-size: 10pt" title="Expected life (in years)">5.9</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected volatility</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_z6HtrJ1CpUp2" title="Expected volatility">121.9</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zL99UmdIUMP1" title="Expected volatility">136.5</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> </table> <p id="xdx_8AE_zpvZwbbiFL1f" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_899_eus-gaap--ScheduleOfShareBasedCompensationActivityTableTextBlock_zNdOtyMulPaf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A summary of stock options under our stock incentive plans is detailed in the following table.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B3_zIs0aCObVAve" style="display: none">Schedule of Stock Option Activity</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Shares </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Underlying </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Options </b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Weighted</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Average</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Exercise</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Price</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Weighted</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Average</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Remaining</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Contractual</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Term</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(In Years)</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 45%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Outstanding as of April 30, 2021</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 2%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zsgUbprFPaO2" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Shares Underlying Options Outstanding, Beginning"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">516,827</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zxx2fXTAKgp3" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Weighted Average Exercise Price, Beginning Balance"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.89</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_904_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zalNpmAWqtF6" title="Weighted Average Remaining Contractual Term (In Years), Beginning">9.0</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Granted</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zpk2SKgMqdof" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">793,850</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zaVeoxKQSUuc" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.43</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exercised</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_987_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zVEVDtjjACXf" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Exercised"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(44,332</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zic6HjZfnAz2" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price, Exercised"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.05</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expired</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_985_ecustom--StockIssuedDuringPeriodSharesStockOptionsExpired_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zyUOaKcFuSQ3" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Expired"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1,806</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zZdWbUWpn40a" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price, Expired"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">32.62</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cancelled/forfeited</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_984_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zTEKDg1m29N9" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(121,383</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_znSHA7Zii22i" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right" title="Weighted Average Exercise Price, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.03</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Outstanding as of January 31, 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_znfZs9B7YiEe" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,143,156</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_986_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zxHMIyUQh2Dc" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right" title="Weighted Average Exercise Price, Ending Balance"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.34</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_905_ecustom--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_z386QtOBAAAk" title="Weighted Average Remaining Contractual Term (In Years), Ending">9.4</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exercisable as of January 31, 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_z9Ya0TtZtO6i" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Exercisable at Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">308,481</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zade9x7Yfja" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right" title="Weighted Average Exercise Price, Exercisable at Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.59</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zCvtrEkhkB66" title="Weighted Average Remaining Contractual Term (In Years), Exercisable at Ending">8.1</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8A0_zdAmDOFbz0ph" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As of January 31, 2022, the total intrinsic value of outstanding and exercisable options was approximately $<span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_c20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_z4rzomtctzBd" title="Intrinsic value of outstanding and exercisable options">11,560</span>. As of January 31, 2022, approximately <span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iI_pid_c20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_z1VT3kRgCgZg" title="Options unvested">835,000</span> additional options were unvested, which had an intrinsic value of <span id="xdx_904_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_pp0p0_do_c20220131__us-gaap--AwardTypeAxis__custom--EmployeeStockOptionOneMember_zPDtyXZ4Benl" title="Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value">zero</span> and a weighted average remaining contractual term of <span id="xdx_909_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zxPHN8j3Ykqb" title="Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term">9.9</span> years. There was approximately $<span id="xdx_900_eus-gaap--AllocatedShareBasedCompensationExpense_pp0p0_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zcr1ZBL2qg98" title="Share-based payment arrangement, expense">183,000</span> and $<span id="xdx_903_eus-gaap--AllocatedShareBasedCompensationExpense_pp0p0_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_ztO1SMZ7NYZ3" title="Share-based payment arrangement, expense">296,000</span> of total recognized compensation cost related to stock options during each of the nine months ended January 31, 2022 and 2021, respectively. As of January 31, 2022, there was approximately $<span id="xdx_900_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_iI_pp0p0_c20220131__us-gaap--AwardTypeAxis__custom--NonVestedStockMember_zEXvKiBjJk5" title="Unrecognized compensation cost related to non-vested stock">102,000</span> of total unrecognized compensation cost related to non-vested stock options granted under the plans. This cost is expected to be recognized over a weighted-average period of <span id="xdx_900_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedStockMember_zMQJfGt4PHm3" title="Share-based compensation of weighted-average period">1.0</span> year.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company’s acquisition of 3Dent (See Note 18) was valued at the fair value of the stock on the acquisition date of $<span id="xdx_90D_ecustom--FairValueOfBasePurchasePrice_iI_pp0p0_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_zAcoJdLPEEF2">1,451,584 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(<span id="xdx_902_eus-gaap--StockIssuedDuringPeriodSharesNewIssues_pid_c20210130__20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_zQBRKKv72pUg">361,991 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">shares at $<span id="xdx_907_eus-gaap--BusinessAcquisitionSharePrice_iI_pid_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_zGyxaEbaEwfj">4.01</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">). Since the share restrictions were set to expire on February 1, 2022, within one year of the closing of the acquisition, and lacked marketability, the Company applied a 20% discount to the purchase price making the adjusted fair value $<span id="xdx_90F_ecustom--AdjustedFairValue_iI_pp0p0_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_z6IWXjXgR8Za" title="Fair Value of Purchase">1,161,267</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">. Additionally, as the sellers must be employed for 12 months from the date of acquisition to retain all of their shares, the difference between the calculated fair value and the net assets acquired represents the value of the compensation expense to be recognized over the period of the agreed upon employment.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p id="xdx_89E_ecustom--ScheduleOfBusinessAcquisitionAndFairValueOfNetAssetsCompensationExpenseRecognized_zu1LsraQHi47" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B7_zVIRlnvi8VIa" style="display: none">Schedule of Business Acquisition and Fair Value of Net Assets, Compensation Expense Recognized</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 80%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Fair Value of Purchase</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_985_ecustom--AdjustedFairValue_iI_pp0p0_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_z1HaqeEVrnDl" style="font: 10pt Times New Roman, Times, Serif; width: 16%; text-align: right" title="Fair Value of Purchase"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,161,267</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total Acquired Assets</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_988_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_iNI_pp0p0_di_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_zwtrNIbtnlr" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total Acquired Assets"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(593,571</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total Acquired Liabilities</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_980_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total Acquired Liabilities"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">117,106</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Compensation Expense</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_987_ecustom--BusinessComibinationCompensationExpensesRecognized_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Compensation Expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">684,802</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Quarterly Compensation Expense</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98F_ecustom--BusinessComibinationQuarterlyCompensationExpensesRecognized_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Quarterly Compensation Expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">171,201</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8AD_zQNuBmqABTW6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company has recognized approximately $<span id="xdx_90D_ecustom--BusinessComibinationQuarterlyCompensationExpensesConsiderationPaid_iI_pp0p0_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_zjRKvmVxsrB8">171,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of compensation expense on a quarterly basis for the consideration paid for 12 months from the acquisition date of February 2, 2021. The last of this compensation expense was recognized during the quarter ended January 31, 2022.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Performance Stock Options</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In January 2020, the Company issued <span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20200101__20200131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember__srt--TitleOfIndividualAxis__custom--TwoExecutivesMember_zXsNMBhtuj13" title="Share-based compensation options, grants in period, gross">81,337</span> performance-based stock options to two of its executives. There were <span id="xdx_903_ecustom--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesVestedAndOutstanding_pid_c20200101__20200131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zo36TUwD8eAb" title="Shares vested and outstanding">40,668</span> shares that were vested and outstanding, which were set to expire on <span id="xdx_902_eus-gaap--DebtInstrumentMaturityDate_dd_c20200101__20200131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zWrbzjEny6qb" title="Debt expire date">December 15, 2021</span>, all of which were exercised prior to the expiration date.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In January 2021, the Company issued <span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20210101__20210131__srt--TitleOfIndividualAxis__custom--EmployeesAndExecutivesMember__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_z0Qxs80nHFF8" title="Share-based compensation options, grants in period, gross">344,723</span> performance-based stock options to employees and executives. <span id="xdx_907_ecustom--StockOptionsVestingPeriodDescription_c20210101__20210131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember__srt--TitleOfIndividualAxis__custom--EmployeesAndExecutivesMember_zeMSnzrmH4ni" title="Stock options vesting period description">The awards vest over 2 years provided there is positive total shareholder return (e.g. share price increase) as measured by the closing share price on January 14, 2022 and January 14, 2023.</span> There were <span id="xdx_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember__srt--TitleOfIndividualAxis__custom--EmployeesAndExecutivesMember_zRBCSkzPuKhc" title="Share-based compensation options, grants in period, gross">230,000</span> shares unvested and outstanding at January 31, 2022. None of the shares granted to our former President and CEO under this issuance vested prior to June 18, 2021, his last day of employment. These unvested shares are included in the Cancelled/forfeited figure in the table below. A summary of performance stock options under our stock incentive plans is detailed in the following table.</span></p> <p id="xdx_89C_eus-gaap--ScheduleOfShareBasedCompensationActivityTableTextBlock_hus-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zsBGn3sj6mZ3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8BB_zwlWRkSpuRQa" style="display: none">Schedule of Stock Option Activity</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Shares </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Underlying </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Options </b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Weighted</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Average</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Exercise</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Price</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Weighted</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Average</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Remaining</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Contractual</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Term</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(In Years)</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 45%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Outstanding as of April 30, 2021</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 2%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zpZOduwCR1K5" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Shares Underlying Options Outstanding, Beginning"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">424,790</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zWm9CAIx8hYh" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Weighted Average Exercise Price, Beginning Balance"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.57</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zR57w3q9OVj" title="Weighted Average Remaining Contractual Term (In Years), Beginning">9.5</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Granted</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zbLr6999tpSj" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">66,667</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zAYnFuENvlW9" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">0.62</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exercised</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_981_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zKN4XIWDSAMg" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Exercised"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(40,668</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zO5LvWqHy7bd" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price, Exercised"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.05</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cancelled/forfeited</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zzC8R4uvYmF" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(220,766</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zKLpt4Sljkl1" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right" title="Weighted Average Exercise Price, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.58</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Outstanding as of January 31, 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_z0YVn8VoTCR2" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">230,023</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zmjJERO74tbh" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right" title="Weighted Average Exercise Price, Ending Balance"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.26</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_908_ecustom--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zgrPuzbbED14" title="Weighted Average Remaining Contractual Term (In Years), Ending">9.1</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exercisable as of January 31, 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zRwUilKWg8f6" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Exercisable at Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1487">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_904_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zYkatqvHiQX3" title="Weighted Average Remaining Contractual Term (In Years), Exercisable at Ending">0.0</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8A2_zfrN1x4xjgbk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As of January 31, 2022, the total intrinsic value of both outstanding and exercisable options was approximately <span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_dc_c20220131__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_zBEQ89GLkmud">zero</span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">. As of January 31, 2022, approximately <span id="xdx_90A_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iI_pid_c20220131__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_zWezoRw5IWR5">230,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">options were unvested, which had an intrinsic value of <span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iI_dc_c20220131__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_zAOZzkuHKFl9">zero </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and a weighted average remaining contractual term of <span id="xdx_900_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_zUFeUbgg79Jj">9.1 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">years. There was approximately $<span id="xdx_90C_eus-gaap--AllocatedShareBasedCompensationExpense_pp0p0_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_z9L4OV1YLVwc">123,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and $<span id="xdx_90E_eus-gaap--AllocatedShareBasedCompensationExpense_pp0p0_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_zc9oB0U8TA89">43,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of total recognized compensation cost related to stock options during each of the nine months ended January 31, 2022 and 2021, respectively. As of January 31, 2022, there was approximately $<span id="xdx_905_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_c20220131__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_pn5n6">242,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">of total unrecognized compensation cost related to non-vested stock options granted under the plans. This cost is expected to be recognized over a weighted-average period of <span id="xdx_904_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_z0YGbXUIF6Ff">1.1 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">years.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Restricted Stock</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Compensation expense for non-vested restricted stock is generally recorded based on its market value on the date of grant and recognized ratably over the associated service and performance period. During the nine months ended January 31, 2022 and 2021, the Company granted <span id="xdx_904_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zLyL07jC0jc">777,764 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">and <span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_pid_c20200501__20210131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_z6jh4LrEkM9k">10,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">shares,</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> respectively, that were subject to service-based vesting requirements.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_893_eus-gaap--ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_zQuOLPwbSsAg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A summary of non-vested restricted stock under our stock incentive plans is as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B0_zvGSHaVa6s6a" style="display: none">Schedule of Non-vested Restricted Stock Activity</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Number</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>of Shares</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Weighted</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Average Price per</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Share</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Issued and unvested at April 30, 2021</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_ze7Z2QDf8j2b" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Number of Shares, Issued and unvested, Beginning"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">10,000</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zoRAJ945JUeb" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Weighted Average Price per Share, Issued and Unvested, Beginning"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.93</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Granted</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zRQBpF0rN3bk" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Number of Shares, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">777,764</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zGuHf0UmNwua" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Price per Share, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.42</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Vested</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zzacWTXXIQn2" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Number of Shares, Vested"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(10,000</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_986_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zQQYIdEqq0p4" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Price per Share, Vested"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.93</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cancelled/forfeited</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zDeqjNnbT3si" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Number of Shares, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1515">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zpLKFWhk7Rx9" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Price per Share, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1517">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Issued and unvested at January 31, 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_z6uC7agcOCD" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Number of Shares, Issued and Unvested, Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">777,764</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_z3ZlSS1WJbF2" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Price per Share, Issued and Unvested, Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.42</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> <p id="xdx_8A8_z0ybN5zc3oi4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">There was approximately $<span id="xdx_906_eus-gaap--AllocatedShareBasedCompensationExpense_pp0p0_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zBcwBrnBDoW6" title="Share-based payment arrangement, expense">43,000</span> and $<span id="xdx_905_eus-gaap--AllocatedShareBasedCompensationExpense_pp0p0_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zXYEprwGorLf" title="Share-based payment arrangement, expense">12,000</span> of total recognized compensation cost related to restricted stock for the nine months ended January 31, 2022 and 2021, respectively. As of January 31, 2022, there is approximately $<span id="xdx_902_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_iI_pp0p0_c20220131__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_z7800wMVYQUl" title="Unrecognized compensation cost">54,000</span> of unrecognized compensation cost remaining related to unvested restricted stock granted under our plans. This cost is expected to be recognized over a weighted-average period of approximately <span id="xdx_903_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zeU7becczWZ6" title="Share-based compensation of weighted-average period">1.4</span> years.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In December 2019, the Company granted <span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_pid_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--TitleOfIndividualAxis__custom--EmployeeMember__srt--StatementScenarioAxis__custom--SubjectToServiceBasedVestingRequirementsMember_zZCWVPmFWna" title="Restricted stock option granted">51,547</span> shares to an employee, subject to service-based vesting requirements, that were outside the Company stock incentive plans. There was approximately <span id="xdx_904_eus-gaap--AllocatedShareBasedCompensationExpense_pp0p0_dc_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--StockOptionMember__srt--TitleOfIndividualAxis__custom--EmployeeMember__srt--StatementScenarioAxis__custom--SubjectToServiceBasedVestingRequirementsMember_zQwlTKbGZKA8" title="Share-based payment arrangement, expense">zero</span> and $<span id="xdx_90D_eus-gaap--AllocatedShareBasedCompensationExpense_pp0p0_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--StockOptionMember__srt--TitleOfIndividualAxis__custom--EmployeeMember__srt--StatementScenarioAxis__custom--SubjectToServiceBasedVestingRequirementsMember_zReJgHF5df49" title="Share-based payment arrangement, expense">30,000</span> of total recognized compensation cost related to this award for the three months ended January 31, 2022 and 2021, respectively. As of January 31, 2022, there was <span id="xdx_904_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_iI_pp0p0_do_c20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--TitleOfIndividualAxis__custom--EmployeeMember__srt--StatementScenarioAxis__custom--SubjectToServiceBasedVestingRequirementsMember_zazTO3GsWw7f" title="Unrecognized compensation cost related to non-vested stock">no</span> unrecognized compensation cost remaining related to this award.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 1332036 696627 25000 11487 250000 275000 793850 248876 <p id="xdx_890_eus-gaap--ScheduleOfAssumptionsUsedTableTextBlock_z8EiUHTn0w23" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B3_zWaD8s0syXn3" style="display: none">Schedule of Valuation Assumptions</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Nine months ended January 31,</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Risk-free interest rate</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zqQydPnN40E3" title="Risk-free interest rate">1.5</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_904_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_uPure_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zrCiQQnB8bR3" title="Risk-free interest rate">6.0</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected dividend yield</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dp_uPure_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zWTySAUWOzV7" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expected dividend yield"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1367">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dp_uPure_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zel3u5Dy7gy7" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Expected dividend yield"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1369">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected life (in years)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zdJIGWaFClLg" style="font-family: Times New Roman, Times, Serif; font-size: 10pt" title="Expected life (in years)">5.6</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span id="xdx_90F_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_z0xdwpHQxkv" style="font-family: Times New Roman, Times, Serif; font-size: 10pt" title="Expected life (in years)">5.9</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected volatility</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20210501__20220131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_z6HtrJ1CpUp2" title="Expected volatility">121.9</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200501__20210131__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zL99UmdIUMP1" title="Expected volatility">136.5</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> </table> 0.015 0.060 P5Y7M6D P5Y10M24D 1.219 1.365 <p id="xdx_899_eus-gaap--ScheduleOfShareBasedCompensationActivityTableTextBlock_zNdOtyMulPaf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A summary of stock options under our stock incentive plans is detailed in the following table.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B3_zIs0aCObVAve" style="display: none">Schedule of Stock Option Activity</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Shares </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Underlying </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Options </b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Weighted</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Average</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Exercise</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Price</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Weighted</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Average</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Remaining</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Contractual</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Term</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(In Years)</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 45%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Outstanding as of April 30, 2021</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 2%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zsgUbprFPaO2" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Shares Underlying Options Outstanding, Beginning"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">516,827</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zxx2fXTAKgp3" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Weighted Average Exercise Price, Beginning Balance"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.89</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_904_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zalNpmAWqtF6" title="Weighted Average Remaining Contractual Term (In Years), Beginning">9.0</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Granted</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zpk2SKgMqdof" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">793,850</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zaVeoxKQSUuc" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.43</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exercised</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_987_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zVEVDtjjACXf" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Exercised"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(44,332</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zic6HjZfnAz2" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price, Exercised"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.05</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expired</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_985_ecustom--StockIssuedDuringPeriodSharesStockOptionsExpired_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zyUOaKcFuSQ3" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Expired"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(1,806</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zZdWbUWpn40a" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price, Expired"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">32.62</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cancelled/forfeited</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_984_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zTEKDg1m29N9" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(121,383</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_znSHA7Zii22i" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right" title="Weighted Average Exercise Price, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.03</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Outstanding as of January 31, 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_znfZs9B7YiEe" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,143,156</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_986_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zxHMIyUQh2Dc" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right" title="Weighted Average Exercise Price, Ending Balance"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.34</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_905_ecustom--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_z386QtOBAAAk" title="Weighted Average Remaining Contractual Term (In Years), Ending">9.4</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exercisable as of January 31, 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_z9Ya0TtZtO6i" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Exercisable at Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">308,481</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zade9x7Yfja" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right" title="Weighted Average Exercise Price, Exercisable at Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.59</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--StockIncentivePlanMember_zCvtrEkhkB66" title="Weighted Average Remaining Contractual Term (In Years), Exercisable at Ending">8.1</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 516827 3.89 P9Y 793850 1.43 44332 1.05 1806 32.62 121383 3.03 1143156 2.34 P9Y4M24D 308481 4.59 P8Y1M6D 11560 835000 P9Y10M24D 183000 296000 102000 P1Y 1451584 361991 4.01 1161267 <p id="xdx_89E_ecustom--ScheduleOfBusinessAcquisitionAndFairValueOfNetAssetsCompensationExpenseRecognized_zu1LsraQHi47" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B7_zVIRlnvi8VIa" style="display: none">Schedule of Business Acquisition and Fair Value of Net Assets, Compensation Expense Recognized</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 80%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Fair Value of Purchase</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_985_ecustom--AdjustedFairValue_iI_pp0p0_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_z1HaqeEVrnDl" style="font: 10pt Times New Roman, Times, Serif; width: 16%; text-align: right" title="Fair Value of Purchase"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1,161,267</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total Acquired Assets</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_988_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_iNI_pp0p0_di_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_zwtrNIbtnlr" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total Acquired Assets"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(593,571</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total Acquired Liabilities</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_980_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Total Acquired Liabilities"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">117,106</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Compensation Expense</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_987_ecustom--BusinessComibinationCompensationExpensesRecognized_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Compensation Expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">684,802</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Quarterly Compensation Expense</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98F_ecustom--BusinessComibinationQuarterlyCompensationExpensesRecognized_c20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Quarterly Compensation Expense"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">171,201</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 1161267 593571 117106 684802 171201 171000 81337 40668 2021-12-15 344723 The awards vest over 2 years provided there is positive total shareholder return (e.g. share price increase) as measured by the closing share price on January 14, 2022 and January 14, 2023. 230000 <p id="xdx_89C_eus-gaap--ScheduleOfShareBasedCompensationActivityTableTextBlock_hus-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zsBGn3sj6mZ3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8BB_zwlWRkSpuRQa" style="display: none">Schedule of Stock Option Activity</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Shares </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Underlying </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Options </b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Weighted</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Average</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Exercise</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Price</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Weighted</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Average</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Remaining</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Contractual</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Term</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(In Years)</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 45%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Outstanding as of April 30, 2021</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 2%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zpZOduwCR1K5" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Shares Underlying Options Outstanding, Beginning"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">424,790</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zWm9CAIx8hYh" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Weighted Average Exercise Price, Beginning Balance"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.57</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_907_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zR57w3q9OVj" title="Weighted Average Remaining Contractual Term (In Years), Beginning">9.5</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Granted</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zbLr6999tpSj" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">66,667</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zAYnFuENvlW9" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">0.62</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exercised</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_981_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zKN4XIWDSAMg" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Exercised"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(40,668</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zO5LvWqHy7bd" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Exercise Price, Exercised"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.05</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cancelled/forfeited</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zzC8R4uvYmF" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(220,766</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zKLpt4Sljkl1" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right" title="Weighted Average Exercise Price, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.58</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Outstanding as of January 31, 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_z0YVn8VoTCR2" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">230,023</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zmjJERO74tbh" style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right" title="Weighted Average Exercise Price, Ending Balance"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.26</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_908_ecustom--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zgrPuzbbED14" title="Weighted Average Remaining Contractual Term (In Years), Ending">9.1</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Exercisable as of January 31, 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zRwUilKWg8f6" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Shares Underlying Options Outstanding, Exercisable at Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1487">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_904_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210501__20220131__us-gaap--AwardTypeAxis__custom--PerformanceStockOptionsMember_zYkatqvHiQX3" title="Weighted Average Remaining Contractual Term (In Years), Exercisable at Ending">0.0</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 424790 2.57 P9Y6M 66667 0.62 40668 1.05 220766 2.58 230023 2.26 P9Y1M6D P0Y 0 230000 0 P9Y1M6D 123000 43000 242000000000 P1Y1M6D 777764 10000 <p id="xdx_893_eus-gaap--ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_zQuOLPwbSsAg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">A summary of non-vested restricted stock under our stock incentive plans is as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B0_zvGSHaVa6s6a" style="display: none">Schedule of Non-vested Restricted Stock Activity</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Number</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>of Shares</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: center"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Weighted</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Average Price per</b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Share</b></span></p></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Issued and unvested at April 30, 2021</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_ze7Z2QDf8j2b" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Number of Shares, Issued and unvested, Beginning"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">10,000</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_iS_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zoRAJ945JUeb" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Weighted Average Price per Share, Issued and Unvested, Beginning"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.93</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Granted</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zRQBpF0rN3bk" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Number of Shares, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">777,764</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_983_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zGuHf0UmNwua" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Price per Share, Granted"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.42</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Vested</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_iN_pid_di_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zzacWTXXIQn2" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Number of Shares, Vested"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">(10,000</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_986_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zQQYIdEqq0p4" style="font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Price per Share, Vested"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.93</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Cancelled/forfeited</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zDeqjNnbT3si" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Number of Shares, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1515">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zpLKFWhk7Rx9" style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Price per Share, Cancelled/forfeited"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span style="-sec-ix-hidden: xdx2ixbrl1517">—</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Issued and unvested at January 31, 2022</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_980_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_z6uC7agcOCD" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Number of Shares, Issued and Unvested, Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">777,764</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">$</span></td><td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_iE_pid_c20210501__20220131__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_z3ZlSS1WJbF2" style="border-bottom: Black 2.5pt double; font: 10pt Times New Roman, Times, Serif; text-align: right" title="Weighted Average Price per Share, Issued and Unvested, Ending"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.42</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> </table> 10000 2.93 777764 1.42 10000 2.93 777764 1.42 43000 12000 54000 P1Y4M24D 51547 0 30000 0 <p id="xdx_806_eus-gaap--FairValueDisclosuresTextBlock_zk6lv0GKpfqd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(14) <span id="xdx_827_zXSgzeGfvhS4">Fair Value Measurements</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">ASC Topic 820, “<i>Fair Value Measurements”</i> states that fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Assets and liabilities that are measured at fair value are reported using a three-level fair value hierarchy that prioritizes the inputs used to measure fair value. This hierarchy maximizes the use of observable input and minimizes the use of unobservable inputs. The following is a description of the three hierarchy levels.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify; width: 0.65in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Level 1</span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Unadjusted quoted prices in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date.</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Level 2</span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Inputs other than quoted prices in active markets that are observable for the asset or liability, either directly or indirectly.</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Level 3</span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Inputs that are unobservable for the asset or liability.</span></td></tr> </table> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 45pt; text-align: justify; text-indent: -45pt"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Disclosure of Fair Values</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company’s financial instruments that are not re-measured at fair value include cash, cash equivalents, restricted cash, accounts receivable, contract assets and liabilities, deposits, accounts payable, and accrued expenses. The carrying values of these financial instruments approximate their fair values and are viewed as Level 1 items. The Company’s warrant liabilities represent the only asset or liability classified financial instrument that is measured at fair value on a recurring basis.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The fair value of the Company’s warrant liabilities (refer to Note 8) is based on the Black-Scholes pricing model which is based on Level 3 unobservable inputs for which there is little or no market data, requiring the Company to develop its own assumptions. The assumptions used by the Company are the quoted price of the Company’s common stock in an active market, risk-free interest rate, volatility and expected life, and assumes no dividends. Volatility is based on the actual market activity of the Company’s stock. The expected life is based on the remaining contractual term of the warrants and the risk-free interest rate is based on the implied yield available on U.S. Treasury Securities with a maturity equivalent to the warrants’ expected life. The fair value on a recurring basis as of January 31, 2022 and April 30, 2021 was near <span id="xdx_90F_eus-gaap--FairValueNetAssetLiability_iI_dc_c20220131_zPSAHAmKwz5e" title="Fair value on a recurring basis"><span id="xdx_90D_eus-gaap--FairValueNetAssetLiability_iI_dc_c20210430_zA9MSc24JGje">zero</span></span>.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">There were no unrealized gains or losses for the three and nine months ended January 31, 2022 or 2021. When incurred, gains and losses are included within “Gain (loss) due to change in fair value of warrant liabilities” in the Consolidated Statements of Operations. The Company determined the fair value using the Black-Scholes pricing model with the following assumptions:</span></p> <p id="xdx_89F_ecustom--ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionTableTextBlock_zNrIMIELlQZd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BE_zDeU3UdWaWYd" style="display: none">Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Dividend rate</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">N/A</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dp_c20200501__20210131_zWyPY86aGpqh" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Dividend rate"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">0.0</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Risk-free rate</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">N/A - N/A</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_c20200501__20210131__srt--RangeAxis__srt--MinimumMember_z9JKL4coD543" title="Risk-free interest rate">0.07</span>% - <span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_c20200501__20210131__srt--RangeAxis__srt--MaximumMember_zHWeCICoZjw8" title="Risk-free interest rate">0.08</span>%</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected life (years)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">N/A</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90B_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20200501__20210131__srt--RangeAxis__srt--MinimumMember_znLxIiTvp2d1" title="Expected life (in years)">0.5</span> - <span id="xdx_90D_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20200501__20210131__srt--RangeAxis__srt--MaximumMember_zgypZz5666vi" title="Expected life (in years)">0.8</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected volatility</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">N/A</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200501__20210131_zjzG36IBtaL9" title="Expected volatility">146.1</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> </table> <p id="xdx_8AD_zV3eA4hLrsHa" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Transfers into or out of any hierarchy level are recognized at the end of the reporting period in which the transfers occurred. There were no transfers between any hierarchy levels during each of the three and nine months ended January 31, 2022 or 2021.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 0 0 <p id="xdx_89F_ecustom--ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionTableTextBlock_zNrIMIELlQZd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BE_zDeU3UdWaWYd" style="display: none">Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2022</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">January 31, 2021</span></td><td style="font: bold 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"> <td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td colspan="2" style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Dividend rate</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">N/A</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td id="xdx_987_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_pid_dp_c20200501__20210131_zWyPY86aGpqh" style="font: 10pt Times New Roman, Times, Serif; width: 14%; text-align: right" title="Dividend rate"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">0.0</span></td><td style="font: 10pt Times New Roman, Times, Serif; width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Risk-free rate</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">N/A - N/A</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_c20200501__20210131__srt--RangeAxis__srt--MinimumMember_z9JKL4coD543" title="Risk-free interest rate">0.07</span>% - <span id="xdx_900_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_pid_dp_c20200501__20210131__srt--RangeAxis__srt--MaximumMember_zHWeCICoZjw8" title="Risk-free interest rate">0.08</span>%</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected life (years)</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">N/A</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90B_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20200501__20210131__srt--RangeAxis__srt--MinimumMember_znLxIiTvp2d1" title="Expected life (in years)">0.5</span> - <span id="xdx_90D_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20200501__20210131__srt--RangeAxis__srt--MaximumMember_zgypZz5666vi" title="Expected life (in years)">0.8</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Expected volatility</span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">N/A</span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_pid_dp_uPure_c20200501__20210131_zjzG36IBtaL9" title="Expected volatility">146.1</span></span></td><td style="font: 10pt Times New Roman, Times, Serif; text-align: left"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">%</span></td></tr> </table> 0.000 0.0007 0.0008 P0Y6M P0Y9M18D 1.461 <p id="xdx_80A_eus-gaap--CommitmentsAndContingenciesDisclosureTextBlock_zkDBzammzTh5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(15) <span id="xdx_826_zvaYjfUo89kb">Commitments and Contingencies</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Employment Litigation </i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i> </i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On August 28, 2018, counsel for Charles Dunleavy, the Company’s former President &amp; Chief Executive Officer who was terminated for cause effective June 9, 2014, filed a demand for arbitration, captioned Charles F. Dunleavy v. Ocean Power Technologies, Inc., Case No. 01-18-0003-2374, before the American Arbitration Association in New Jersey. The demand alleged various claims relating to Mr. Dunleavy’s termination. After the hearings in the proceeding were conducted, on December 11, 2020, the arbitration panel issued an interim award finding, among other things, that the termination for cause of Mr. Dunleavy was in breach of his employment contract and awarded him compensatory damages in the amount of $<span id="xdx_90F_eus-gaap--LossContingencyDamagesSoughtValue_pp2p0_c20180827__20180828__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--CharlesFDunleavyMember_zj01hPvLMX59" title="Loss contingency, damages sought, value">438,254.54</span>. On May 3, 2021, the panel issued a second interim award and therein awarded Mr. Dunleavy attorneys’ fees, costs and pre-judgment interest. The Company agreed, on May 24, 2021, to pay Mr. Dunleavy $<span id="xdx_90D_eus-gaap--LossContingencyDamagesSoughtValue_pp2p0_c20210523__20210524__us-gaap--RelatedPartyTransactionsByRelatedPartyAxis__custom--CharlesFDunleavyMember_zvXV4dNfGOtk" title="Loss contingency, damages sought, value">1,223,963.14</span>, representing the total compensatory damages, attorneys’ fees, costs and pre-judgment interest, which is the full amount awarded by the arbitration panel. The Company made the required payment on May 26, 2021, and the matter is now closed.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Spain Income Tax Audit</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i> </i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company underwent an income tax audit in Spain for the period from 2011 to 2014, when our Spanish branch was closed. On July 30, 2018, the Spanish tax inspector concluded that although there was no tax owed in light of losses reported, the Company’s Spanish branch owed penalties for failure to properly account for the income associated with the funding grant. During the nine months ended January 31, 2021, the Company received notice from the Spanish Central Economic and Administrative Tribunal that it agreed with the inspector and ruled that the Company owes the full amount of the penalty in the amount of €<span id="xdx_901_eus-gaap--IncomeTaxExaminationPenaltiesAndInterestAccrued_iI_pp0p0_uEuro_c20210131__us-gaap--IncomeStatementLocationAxis__us-gaap--SellingGeneralAndAdministrativeExpensesMember__us-gaap--IncomeTaxAuthorityNameAxis__us-gaap--TaxAuthoritySpainMember_zCI5gOd7amHc" title="Income tax penalties">279,870</span> or approximately $<span id="xdx_908_eus-gaap--IncomeTaxExaminationPenaltiesAndInterestAccrued_iI_pp0p0_c20210131__us-gaap--IncomeStatementLocationAxis__us-gaap--SellingGeneralAndAdministrativeExpensesMember__us-gaap--IncomeTaxAuthorityNameAxis__us-gaap--TaxAuthoritySpainMember_zmf1ZljMw74f" title="Income tax penalties">331,000</span>. On January 25, 2021, the Company paid the Spanish Tax Administration €<span id="xdx_906_eus-gaap--IncomeTaxExaminationPenaltiesAndInterestAccrued_iI_pp0p0_uEuro_c20210125__us-gaap--IncomeStatementLocationAxis__us-gaap--SellingGeneralAndAdministrativeExpensesMember__us-gaap--IncomeTaxAuthorityNameAxis__us-gaap--TaxAuthoritySpainMember_zq8RRGcAdLsj" title="Income tax penalties">279,870</span>. Notwithstanding that payment, on April 30, 2021, the Company filed its appeal of the decision of the Central Court to the Spanish National Court. There is no schedule for a ruling from the Spanish National Court.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 438254.54 1223963.14 279870 331000 279870 <p id="xdx_80E_eus-gaap--IncomeTaxDisclosureTextBlock_zelmQyUhowv1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(16) <span id="xdx_82C_z1TOwrFCjXG2">Income Taxes</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Uncertain Tax Positions</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company applies the guidance issued by the FASB for the accounting and reporting of uncertain tax positions. The guidance requires the Company to recognize in its consolidated financial statements the impact of a tax position if that position is more likely than not to be sustained upon examination, based on the technical merits of the position. At January 31, 2022, the Company had no unrecognized tax positions. The Company does not expect any material increase or decrease in its income tax expense in the next twelve months, related to examinations or uncertain tax positions. U.S. federal and state income tax returns were audited through fiscal 2014 and fiscal 2010 respectively. Net operating loss and credit carry forwards since inception remain open to examination by taxing authorities and will continue to remain open for a period of time after utilization.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Income Tax Benefit</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company sold New Jersey State net operating losses and research development credits under the NJEDA Tax Transfer program in the amount of approximately $<span id="xdx_902_eus-gaap--OperatingIncomeLoss_pn5n6_c20200501__20210430_z0sBB1UGo5Kc">12.0 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">million for the year ended April 30, 2021, for net proceeds of approximately $<span id="xdx_907_eus-gaap--ProceedsFromDebtNetOfIssuanceCosts_pn5n6_c20200501__20210430_zqmomDTqenQf">1.0 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">million which was received in May 2021 and recorded in the Company’s Statement of Operations in fiscal year 2022. <span style="background-color: white">This results from a program where New Jersey-based technology or biotechnology companies with fewer than 225 US employees may be eligible to sell net operating losses and research and development tax credits to unaffiliated corporations, up to a maximum lifetime benefit of $<span id="xdx_906_eus-gaap--OperatingIncomeLoss_pn5n6_c20200501__20210430__srt--TitleOfIndividualAxis__custom--USEmployeesMember_zYZltBHHCqbi">20.0 </span></span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white">million per business. As of January 31, 2022 we have approximately $<span id="xdx_90D_eus-gaap--OperatingIncomeLoss_pn5n6_c20210501__20220430_z5gPxIj8U6Yb">5.0 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white">million still available to sell should we chose to do so.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 12000000.0 1000000.0 20000000.0 5000000.0 <p id="xdx_804_eus-gaap--SegmentReportingDisclosureTextBlock_zwaJGiyqFWOd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(17) <span id="xdx_822_zKmQ4i11p7Lj">Operating Segments and Geographic Information</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company’s business consists of <span id="xdx_905_eus-gaap--NumberOfOperatingSegments_pid_dc_uSegment_c20210501__20220131_zEONvlLmNe46">one </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">segment as this represents how our Chief Operating Decision Maker views the Company’s operations and financial position. The Company operates on a worldwide basis with two wholly-owned subsidiaries, 3Dent and MAR, and subsidiaries in the UK and in Australia. Revenues and expenses are generally attributed to the operating company that bills the customers. During each of the nine months ended January 31, 2022 and 2021, the Company’s primary business operations were in North America.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 1 <p id="xdx_80F_eus-gaap--BusinessCombinationDisclosureTextBlock_zJoPAycELxV3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(18) <span id="xdx_82B_zDJXGqRmabqe">Business Combination</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>3dent Technologies, LLC</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i> </i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On February 1, 2021, the Company acquired all of the outstanding equity interest of 3dent Technologies, LLC (“3Dent”), a Houston, Texas based company that offers offshore energy engineering and design services that are complementary to the Company’s technology and products. As consideration for the purchase, the Company issued <span id="xdx_905_eus-gaap--StockIssuedDuringPeriodSharesAcquisitions_pid_c20210130__20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_zstBYe769FC8">361,991 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">shares of its common stock to the sellers, subject to a 12-month post acquisition employment condition, which has now been achieved. In addition, the former owners of 3Dent would have been eligible for awards of performance stock with a potential value of $<span id="xdx_909_eus-gaap--StockIssuedDuringPeriodValueAcquisitions_pp0p0_c20210130__20210201__us-gaap--BusinessAcquisitionAxis__custom--ThreeDentAcquisitionMember_z87blyFe1db4">360,000 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">if certain revenue targets are achieved over the 12 month-period post acquisition. As of January 31, 2022, it was determined that 3Dent did not meet these revenue targets.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Marine Advance Robotics, Inc.</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i> </i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">On November 15, 2021, the Company acquired all of the outstanding equity interest of Marine Advanced Robotics, Inc. (“MAR”), a Richmond (San Francisco Bay Area), California-based developer and manufacturer of autonomous surface vehicles.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company accounted for the transaction as a business combination under ASC 805, <i>“Business Combinations.” </i>Accordingly, the assets and liabilities acquired were recorded at their estimated fair value on the date of acquisition. Under ASC 805, acquisition-related transaction costs of approximately $<span id="xdx_908_eus-gaap--BusinessCombinationAcquisitionRelatedCosts_pn5n6_c20210501__20220131_zit1szN38eHc" title="Acquisition related costs">0.3</span> million (such as advisory, legal, valuation, other professional fees) were expensed in the Consolidated Statement of Operations in the period incurred.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company paid cash consideration of $<span id="xdx_902_eus-gaap--PaymentsToAcquireBusinessesGross_pn5n6_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_zRwrT74QqaMc">4.0 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">million and issued <span id="xdx_906_eus-gaap--BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_pid_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zfAhFnUNp6vi">3,330,162 </span></span> <span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">shares of our</span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> common stock valued at <span id="xdx_901_eus-gaap--BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_iI_pn5n6_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zIvtrzQPzLr7">approximately $5.9</span></span> <span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">million based on the closing price of $<span id="xdx_90F_eus-gaap--BusinessAcquisitionSharePrice_iI_pid_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zvGEfnDzCOqg">2.10 and </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">reduced by a lack of marketability discount since they were restricted. The Company assumed liability for advances payable to the former owners of MAR for approximately $456,000.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The contingent consideration is based on the achievement of certain milestones over a 30-month period. As of the acquisition date, the contingent consideration had a fair value of $<span id="xdx_908_eus-gaap--BusinessCombinationContingentConsiderationAsset_iI_pn5n6_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_zKAEXOrVQcTb">1.6 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">million. Under the terms of the MAR purchase agreement, <span id="xdx_905_eus-gaap--BusinessAcquisitionProFormaInformationDescription_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_z65nc7cCn45l" title="Business combination, description">the contingent consideration consists of two earn-out periods, one running from the date of the acquisition through April 30, 2023 in which the maximum earn-out is $1.5 million and the other from May 1, 2023 through April 30, 2024 where the maximum earn-out is $2 million. The fair value as of the date of acquisition was determined using a simulation model based on an estimate of revenues during these periods and discount factors ranging from 5.8% to 14.5%.</span> As discussed in Note 14 per ASC Topic 820 we consider this to be a Level 3 liability.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Total consid</span>eration including cash, restricted shares, liabilities assumed, and contingent consideration was valued at approximately $<span id="xdx_902_eus-gaap--BusinessCombinationConsiderationTransferred1_pn5n6_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_zGyyHjpqPvT9">11.9 </span>million.</p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p> <p id="xdx_892_eus-gaap--ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock_zk0exgbolm37" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Purchase consideration consisted of the following:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B7_zL6lB3OeLppl" style="display: none">Schedule of Purchase Consideration</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%"> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1pt"> </td><td style="padding-bottom: 1pt"> </td> <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">(in thousands)</td><td style="padding-bottom: 1pt"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 78%">Cash</td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left">$</td><td id="xdx_987_eus-gaap--PaymentsToAcquireBusinessesGross_pn3n3_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_zAC7R75eClFk" style="width: 18%; text-align: right" title="Cash">4,000</td><td style="width: 1%; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left">Liabilities assumed</td><td> </td> <td style="text-align: left"> </td><td id="xdx_98A_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_pn3n3" style="text-align: right" title="Liabilities assumed">456</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td>Fair value of restricted shares</td><td> </td> <td style="text-align: left"> </td><td id="xdx_986_eus-gaap--BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_pn3n3_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_z2X9CcrrX7qg" style="text-align: right" title="Fair value of restricted shares">5,855</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1pt">Fair value of contingent consideration</td><td style="padding-bottom: 1pt"> </td> <td style="border-bottom: Black 1pt solid; text-align: left"> </td><td id="xdx_98C_eus-gaap--BusinessCombinationContingentConsiderationAsset_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_pn3n3" style="border-bottom: Black 1pt solid; text-align: right" title="Fair value of contingent consideration">1,591</td><td style="padding-bottom: 1pt; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 2.5pt; text-align: left">Total consideration</td><td style="padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_98A_eus-gaap--BusinessCombinationConsiderationTransferred1_pn3n3_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_zjM5zKnEr232" style="border-bottom: Black 2.5pt double; text-align: right" title="Total consideration">11,902</td><td style="padding-bottom: 2.5pt; text-align: left"> </td></tr> </table> <p id="xdx_8A9_z5NIg0ZrRH1d" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p id="xdx_89F_eus-gaap--ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_zA8Uzs4chd34" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The preliminary allocation of the fair value of the MAR acquisition is shown in the table below. The allocation of the fair value will be finalized when the valuation is completed, and the differences will be trued up for the final allocated amounts, hence, actual results may differ from preliminary estimate.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8BF_zbQMjUdwsWa7" style="display: none">Schedule of Allocated Fair Value of Purchase Consideration</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%"> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 1pt; width: 78%; text-align: left">Total Purchase Consideration</td><td style="padding-bottom: 1pt; width: 2%"> </td> <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left">$</td><td id="xdx_98D_eus-gaap--BusinessCombinationConsiderationTransferred1_pn3n3_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_zX5kdPw2dvmj" style="border-bottom: Black 1pt solid; width: 18%; text-align: right" title="Total Purchase Consideration">11,902</td><td style="padding-bottom: 1pt; width: 1%; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td> </td><td> </td> <td style="text-align: left"> </td><td style="text-align: right"> </td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td>Cash</td><td> </td> <td style="text-align: left">$</td><td id="xdx_981_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember_zNyZ5jprcmU5" style="text-align: right" title="Cash">12</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td>Inventory</td><td> </td> <td style="text-align: left"> </td><td id="xdx_98A_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember_zG2baDro8uX7" style="text-align: right" title="Inventories">150</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left">Property and equipment, net</td><td> </td> <td style="text-align: left"> </td><td id="xdx_983_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember_z9dooLl4Jy0l" style="text-align: right" title="Property and equipment, net">38</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td>Trademarks</td><td> </td> <td style="text-align: left"> </td><td id="xdx_98D_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember__us-gaap--IndefiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--TradeNamesMember_z6L0E06lAlKe" style="text-align: right" title="Intangible assets">2,755</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td>Patents</td><td> </td> <td style="text-align: left"> </td><td id="xdx_988_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zlRkOjeJ1Hye" style="text-align: right" title="Intangible assets">1,193</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1pt">Goodwill</td><td style="padding-bottom: 1pt"> </td> <td style="border-bottom: Black 1pt solid; text-align: left"> </td><td id="xdx_985_eus-gaap--Goodwill_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember_zuYmZv3w8ON5" style="border-bottom: Black 1pt solid; text-align: right" title="Goodwill">7,754</td><td style="padding-bottom: 1pt; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 2.5pt; text-align: left">Net assets acquired</td><td style="padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_989_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember_zxM5Z3nCk0C2" style="border-bottom: Black 2.5pt double; text-align: right" title="Net assets acquired">11,902</td><td style="padding-bottom: 2.5pt; text-align: left"> </td></tr> </table> <p id="xdx_8A1_zsZjQPc9fb32" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The net assets were recorded at their estimated fair value. In valuing acquired assets and liabilities, fair value estimates were based primarily on future expected cash flows, market rate assumptions, and appropriate discount rates. In connection with the acquisition of MAR, we acquired approximately $<span id="xdx_909_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_iI_pn5n6_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_z4yYiI9qOch2" title="Business acquistion intangible assets">3.9</span> million of intangible assets including trademarks with an indefinite life and patents that will be amortized over a useful life of nine years. </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Goodwill is considered an indefinite-lived asset that relates primarily to intangible assets that do not qualify for separate recognition. The Company is currently evaluating the tax implications on the business combination accounting and compiling the information needed for a pro forma disclosure related to the acquisition of MAR which is expected in our year end reporting.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"/> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p> 361991 360000 300000 4000000.0 3330162 5900000 2.10 1600000 the contingent consideration consists of two earn-out periods, one running from the date of the acquisition through April 30, 2023 in which the maximum earn-out is $1.5 million and the other from May 1, 2023 through April 30, 2024 where the maximum earn-out is $2 million. The fair value as of the date of acquisition was determined using a simulation model based on an estimate of revenues during these periods and discount factors ranging from 5.8% to 14.5%. 11900000 <p id="xdx_892_eus-gaap--ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock_zk0exgbolm37" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Purchase consideration consisted of the following:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B7_zL6lB3OeLppl" style="display: none">Schedule of Purchase Consideration</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%"> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1pt"> </td><td style="padding-bottom: 1pt"> </td> <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">(in thousands)</td><td style="padding-bottom: 1pt"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 78%">Cash</td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left">$</td><td id="xdx_987_eus-gaap--PaymentsToAcquireBusinessesGross_pn3n3_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_zAC7R75eClFk" style="width: 18%; text-align: right" title="Cash">4,000</td><td style="width: 1%; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left">Liabilities assumed</td><td> </td> <td style="text-align: left"> </td><td id="xdx_98A_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_pn3n3" style="text-align: right" title="Liabilities assumed">456</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td>Fair value of restricted shares</td><td> </td> <td style="text-align: left"> </td><td id="xdx_986_eus-gaap--BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_pn3n3_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_z2X9CcrrX7qg" style="text-align: right" title="Fair value of restricted shares">5,855</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1pt">Fair value of contingent consideration</td><td style="padding-bottom: 1pt"> </td> <td style="border-bottom: Black 1pt solid; text-align: left"> </td><td id="xdx_98C_eus-gaap--BusinessCombinationContingentConsiderationAsset_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_pn3n3" style="border-bottom: Black 1pt solid; text-align: right" title="Fair value of contingent consideration">1,591</td><td style="padding-bottom: 1pt; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 2.5pt; text-align: left">Total consideration</td><td style="padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_98A_eus-gaap--BusinessCombinationConsiderationTransferred1_pn3n3_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_zjM5zKnEr232" style="border-bottom: Black 2.5pt double; text-align: right" title="Total consideration">11,902</td><td style="padding-bottom: 2.5pt; text-align: left"> </td></tr> </table> 4000000 456000 5855000 1591000 11902000 <p id="xdx_89F_eus-gaap--ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_zA8Uzs4chd34" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The preliminary allocation of the fair value of the MAR acquisition is shown in the table below. The allocation of the fair value will be finalized when the valuation is completed, and the differences will be trued up for the final allocated amounts, hence, actual results may differ from preliminary estimate.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8BF_zbQMjUdwsWa7" style="display: none">Schedule of Allocated Fair Value of Purchase Consideration</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 80%"> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 1pt; width: 78%; text-align: left">Total Purchase Consideration</td><td style="padding-bottom: 1pt; width: 2%"> </td> <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left">$</td><td id="xdx_98D_eus-gaap--BusinessCombinationConsiderationTransferred1_pn3n3_c20211114__20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvancedRoboticsIncMember_zX5kdPw2dvmj" style="border-bottom: Black 1pt solid; width: 18%; text-align: right" title="Total Purchase Consideration">11,902</td><td style="padding-bottom: 1pt; width: 1%; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td> </td><td> </td> <td style="text-align: left"> </td><td style="text-align: right"> </td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td>Cash</td><td> </td> <td style="text-align: left">$</td><td id="xdx_981_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember_zNyZ5jprcmU5" style="text-align: right" title="Cash">12</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td>Inventory</td><td> </td> <td style="text-align: left"> </td><td id="xdx_98A_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember_zG2baDro8uX7" style="text-align: right" title="Inventories">150</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left">Property and equipment, net</td><td> </td> <td style="text-align: left"> </td><td id="xdx_983_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember_z9dooLl4Jy0l" style="text-align: right" title="Property and equipment, net">38</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td>Trademarks</td><td> </td> <td style="text-align: left"> </td><td id="xdx_98D_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember__us-gaap--IndefiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--TradeNamesMember_z6L0E06lAlKe" style="text-align: right" title="Intangible assets">2,755</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td>Patents</td><td> </td> <td style="text-align: left"> </td><td id="xdx_988_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember__us-gaap--FiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_zlRkOjeJ1Hye" style="text-align: right" title="Intangible assets">1,193</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1pt">Goodwill</td><td style="padding-bottom: 1pt"> </td> <td style="border-bottom: Black 1pt solid; text-align: left"> </td><td id="xdx_985_eus-gaap--Goodwill_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember_zuYmZv3w8ON5" style="border-bottom: Black 1pt solid; text-align: right" title="Goodwill">7,754</td><td style="padding-bottom: 1pt; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 2.5pt; text-align: left">Net assets acquired</td><td style="padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_989_eus-gaap--BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_iI_pn3n3_c20211115__us-gaap--BusinessAcquisitionAxis__custom--MarineAdvanceRoboticsIncMember_zxM5Z3nCk0C2" style="border-bottom: Black 2.5pt double; text-align: right" title="Net assets acquired">11,902</td><td style="padding-bottom: 2.5pt; text-align: left"> </td></tr> </table> 11902000 12000 150000 38000 2755000 1193000 7754000 11902000 3900000 <p id="xdx_801_eus-gaap--SubsequentEventsTextBlock_z6CGb3ZWw7o3" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(19) </b></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_82C_zS9gnG1AjLzk">Subsequent Events</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b/></span> </p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"/> <p style="font: 10pt/120% Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="background-color: white"><i>New Jersey Net Operating Loss Transfer Program</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white"/></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"/></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white">In February 2022, the Company sold New Jersey State net operating losses and research and development credits in the amount of $<span id="xdx_901_eus-gaap--OperatingLossCarryforwards_iI_pn5n6_c20220228__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__us-gaap--IncomeTaxAuthorityNameAxis__us-gaap--NewJerseyDivisionOfTaxationMember_zJNsorBXYVk6">4.0 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white">million, resulting in the recognition of income tax benefits of $<span id="xdx_907_eus-gaap--IncomeTaxExpenseBenefit_pn5n6_c20220201__20220228__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember__us-gaap--IncomeTaxAuthorityNameAxis__us-gaap--NewJerseyDivisionOfTaxationMember_z10BxP1kMu99">0.4 </span></span><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt; background-color: white">million.</span></p> 4000000.0 400000 3Dent related consulting MAR related sales