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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 provide ocean data collection and reporting, marine power, offshore communications and Domain Awareness Systems (“MDA” or “MDAS”) products, integrated solutions, and consulting services. Our solutions focus on four major service areas: Data as a Service (“DaaS”), which includes data collected by our Wave Adaptive Modular Vessel (WAM-V®) autonomous vehicles or our PowerBuoy® product lines; Robotics as a Service (“RaaS”), which provides a lower cost subscription model for our customers to access use of our WAM-V’s®; Power as a Service (“PaaS”), which includes our PowerBuoy® products; and our Strategic Consulting Services. We offer our products and services to a wide-range of customers, including those in government and offshore energy, oil and gas, construction, wind power and other industries. We are involved in the entire life cycle of product development, from product design through assembly, testing, deployment, maintenance and upgrades, while working closely with partners across our supply chain. Our solutions are based on technologies that enable autonomous, zero or low carbon emitting, and cost effective data collection, analysis, transportation and communication. Our solutions are primarily suited to ocean and other offshore environments, and support generation of actionable intelligence on a standalone basis or working with other data sources. We then channel the information we collect, and other communications, through control equipment linked to edge computing and cloud hosting environments. Our goal is to generate most of our revenues from the sale or lease of our products and solutions. As we continue to commercialize our products and services, we expect to have a decrease in cash to fund operating activities until we achieve positive cash flow from the meaningful progress we have made in orders, pipeline, and backlog across our business.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0.25in; text-align: justify; 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 0pt 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 8 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, 2023, as filed with the SEC and elsewhere in our subsequent Exchange Act filings, including this Form 10-Q. Certain amounts have been reclassified to conform to current period presentation. This reclassification had no impact on the previously reported net loss and comprehensive loss.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0.25in; text-align: justify; 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">For the six months ended October 31, 2023, the Company incurred net losses of approximately $<span id="xdx_90E_eus-gaap--NetIncomeLoss_iN_pn5n6_di_c20230501__20231031_zDL7wxWHVty9" title="Net loss">14.3</span> million, used cash in operations of approximately $<span id="xdx_90A_eus-gaap--NetCashProvidedByUsedInOperatingActivities_iN_pn5n6_di_c20230501__20231031_zoMPHM2Qwnb" title="Cash in operations">15.5</span> million and had an accumulated deficit of approximately $<span id="xdx_905_eus-gaap--RetainedEarningsAccumulatedDeficit_iNI_pn5n6_di_c20231031_zeT9imG0Eba1" title="Accumulated deficit">294.3</span> million. Cash used in operations includes cash payments of the MAR earnout payable of $0.5 million and payment of the fiscal 2023 bonus for all employees. The Company has continued to make investments in ongoing product development efforts and to build inventory in anticipation of, and to support, future growth. 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, access to capital, technology development, scalability of technology and production, ability to attract and retain key personnel, concentration of customers and suppliers, pending or threatened litigation (including recent litigation with Paragon Technologies, Inc.), and deployment risks and integration of acquisitions. For the six months ended October 31, 2023 and through the date of filing of this Form 10-Q, management has not obtained any material additional capital financing. Management believes the Company’s current cash balance at October 31, 2023 of $<span id="xdx_905_eus-gaap--Cash_iI_pn5n6_c20231031_zR0oBcTPMuTh" title="Cash">3.5</span> million and short term investments balance of $<span id="xdx_901_eus-gaap--ShortTermInvestments_iI_pn5n6_c20231031_zOxt2YGBa49f" title="Short-term investments">15.4</span> million is sufficient to fund its planned expenditures through at least December 2024.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> -14300000 -15500000 -294300000 3500000 15400000 <p id="xdx_80F_eus-gaap--SignificantAccountingPoliciesTextBlock_zioadMWDR8kh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(2) <span id="xdx_82B_z8wRjl4l6UD8">Summary of Significant Accounting Policies</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_849_eus-gaap--ConsolidationPolicyTextBlock_zyzV6vJab7Zb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(a) <span id="xdx_86F_znPJXeC0Yefg">Consolidation</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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, Marine Advanced Robotics Inc. (CA), 3dent Technologies LLC (TX), Oregon Wave Energy Partners I LLC (DE), ReedSport OPT WavePark, LLC (OR) and Ocean Power Technologies Ltd. in the United Kingdom. ReedSport OPT WavePark, LLC (OR) and Oregon Wave Energy Partners I, LLC (DE) were dissolved during the first quarter of fiscal 2024. All significant intercompany balances and transactions have been eliminated in consolidation.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i> </i></b></span></p> <p id="xdx_84E_eus-gaap--UseOfEstimates_zeSqvgyojOB6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(b) <span id="xdx_863_zOlT8MtXS5e5">Use of Estimates</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 several 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, stock-based compensation, over time revenue recognition, valuation consideration related to business combinations, including contingent consideration, and other assumptions and estimates used to evaluate the recoverability of long-lived assets, goodwill and other intangible assets. Actual results could differ from those estimates.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i> </i></b></span></p> <p id="xdx_844_eus-gaap--BusinessCombinationsPolicy_zV5MZVVdf95e" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(c) <span id="xdx_86D_zXKlFYreHHnd">Business Combinations</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company accounts for business combinations in accordance with Financial Accounting and Standards Board (“FASB”) Business Combinations (Topic 805). The Company allocates the fair value of consideration transferred in a business combination to the estimated fair value at the acquisition date of the tangible and intangible assets acquired as well as the liabilities assumed. Acquisition costs are expensed as incurred. Any excess consideration transferred is recorded as goodwill and in instances where the fair value of consideration transferred is less than the estimated fair value of tangible and intangible assets acquired less liabilities assumed, such amounts are recorded as a gain on the bargain purchase.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_84B_eus-gaap--CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_zq1LoRtI6XPk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(d) <span id="xdx_860_zTjmBpsYMg0k">Cash, Cash Equivalents, Restricted Cash and Security Agreements and Short Term Investments</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 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 0pt 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 0pt 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 an original maturity of three months or less when purchased, to be cash equivalents. The Company invests excess cash in a money market account or in short term investments that are held-to-maturity. The Company had cash and cash equivalents of approximately $<span id="xdx_900_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn5n6_c20231031_zzyBbxfedSbj" title="Cash and cash equivalents">3.3</span> million as of October 31, 2023 and $<span id="xdx_900_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn5n6_c20230430_zzIkcBKc2iOg" title="Cash and cash equivalents">6.9</span> million as of April 30, 2023.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><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 0pt 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 0pt 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_90A_eus-gaap--Deposits_iI_c20231031__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember_zCI9J3blL6gk" title="Deposits">156,000</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 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Santander also issued a letter of credit to subsidiaries of Enel Green Power (“EGP”) pursuant to the Company’s contracts with EGP. This letter of credit was originally issued in August 2020 and has a remaining amount of $<span id="xdx_903_eus-gaap--LineOfCredit_iI_c20200831__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--AwardDateAxis__custom--JanuaryTwoThousandTwentyFourMember_zBZSw2LDxIui" title="Letters of credit issued amount">65,000</span> which will be released in January 2024.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_898_eus-gaap--ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_zIlgsl5XfHE2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span><span id="xdx_8BA_z2Tkb7H2vIF3" style="display: none">Schedule of Cash and Cash Equivalents and Restricted Cash</span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49C_20231031_zflnBMpzqeE" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_499_20230430_zDhTBv5ZOlT5" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn3n3_maCCERCzbyj_zt1kyBjmAEN7" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Cash and cash equivalents</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,292</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,883</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_402_eus-gaap--RestrictedCashCurrent_iI_pn3n3_maCCERCzbyj_znFd6iM0qoO" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Restricted cash- short term</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">219</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">65</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40B_eus-gaap--RestrictedCashNoncurrent_iI_pn3n3_maCCERCzbyj_zSKQycvaWA3b" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Restricted cash- long term</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0690">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">155</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40F_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iTI_pn3n3_mtCCERCzbyj_zzNirMC4Ehag" style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Cash, cash equivalents, restricted cash and restricted cash equivalents</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,511</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7,103</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A7_zzS4rAkgQrIb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Short Term Investments</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As of October 31, 2023 and April 30, 2023, the carrying value was approximately $<span id="xdx_907_eus-gaap--ShortTermInvestments_iI_pn5n6_c20231031_zkNfQAGsKXnh" title="Short term investments">15.4</span> million and $<span id="xdx_906_eus-gaap--ShortTermInvestments_iI_pn5n6_c20230430_z4hXBRZ4P5b6" title="Short term investments">27.8</span> million, respectively. All short term investments consist of corporate bonds, government agency bonds, or U.S. Treasury Notes and Bonds, are investment grade rated or better, and mature within 12 months. The Company has the ability and the intention to hold all investments to maturity, and as such are classified as held-to-maturity investments and carried at amortized cost.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The total accretion of discounts (amortization of premium) recognized for the six month periods ended October 31, 2023 and 2022 is approximately $<span id="xdx_901_ecustom--AccretionOfDiscountAmortizationOfPremiumOnInvestment_pn5n6_c20230501__20231031_zgZNLnRG4sG2" title="Accretion of discount and amortization of premium on investments">0.2</span> million and $<span id="xdx_907_ecustom--AccretionOfDiscountAmortizationOfPremiumOnInvestment_pn5n6_c20220501__20221031_zt4fwi1U4iUa" title="Accretion of discount and amortization of premium on investments">(0.2)</span> million, respectively. The total accretion of discounts (amortization of premium) on investments for the three month period ended October 31, 2023 and 2022 was $<span id="xdx_906_ecustom--AccretionOfDiscountAmortizationOfPremiumOnInvestment_pn5n6_c20230801__20231031_zysSxGOZ8xOd" title="Accretion of discount and amortization of premium on investments">0.1</span> million and $<span id="xdx_909_ecustom--AccretionOfDiscountAmortizationOfPremiumOnInvestment_iN_pn4n6_di_c20220801__20221031_z1CM11GcKFli" title="Accretion of discount and amortization of premium on investments">(0.06)</span> million, respectively. Additionally, there has been no impairment on these investments.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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--UnrealizedGainLossOnInvestmentsTableTextBlock_zkbQjJnjMIRf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The following table summarizes the Company’s short term investments as of October 31, 2023 and April 30, 2023:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span><span id="xdx_8B1_zR3GfNHRsHqk" style="display: none">Schedule of Investments and Unrealized Gains/Losses</span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td style="border-bottom: Black 1.5pt solid; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Category</span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amortized Cost</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Unrealized Gains</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Market Value</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amortized Cost</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Unrealized Gains</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Market Value</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 28%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Corporate Bonds</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_zA7UAxLGy616" style="width: 8%; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">6,911</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_zr4Cd7LepzYg" style="width: 8%; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">56</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_z1X9KlJAzU1d" style="width: 8%; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">6,967</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_zLK5Xv09zSCk" style="width: 8%; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">14,776</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_z3bMfTtOiLnd" style="width: 8%; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">100</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_ziw2bqPTjSXa" style="width: 8%; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">14,876</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Government Bonds &amp; Notes</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zFu7OZ3iJ6a" style="text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">6,692</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_z4ZnN3OK2pcg" style="text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">35</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_984_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zLcG2nvJV7J" style="text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">6,727</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98E_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zuqReDx24z3l" style="text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">9,188</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zmxtPrQZpaqg" style="text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">33</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_984_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zU0dDIQjHDz3" style="text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">9,221</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Government Agency Bonds</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zaETbAB6HRTl" style="border-bottom: Black 1.5pt solid; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">1,824</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zgEke0yxp5zc" style="border-bottom: Black 1.5pt solid; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">23</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_987_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_z3nlQOJyn6Tl" style="border-bottom: Black 1.5pt solid; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">1,847</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_z1NBjzSeVe0a" style="border-bottom: Black 1.5pt solid; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">3,826</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zhMZP649sG6f" style="border-bottom: Black 1.5pt solid; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">25</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_987_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zC69wkqpMHVd" style="border-bottom: Black 1.5pt solid; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">3,851</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Short Term Investments</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031_zcXnxAWREQl4" style="border-bottom: Black 2.5pt double; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">15,427</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031_zfbBRCV1uj6e" style="border-bottom: Black 2.5pt double; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">114</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031_zrtwbd9GdIgc" style="border-bottom: Black 2.5pt double; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">15,541</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430_zZELKrsOgPD4" style="border-bottom: Black 2.5pt double; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">27,790</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430_zjh4KWwX6lFb" style="border-bottom: Black 2.5pt double; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">158</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430_zWUtfTBFaUue" style="border-bottom: Black 2.5pt double; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">27,948</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A4_zwmai0n9vIZ" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_843_eus-gaap--InventoryPolicyTextBlock_z7X8zAucEaTh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(e) <span id="xdx_86A_zBsxtDmrbJDh">Inventory</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In accordance with Accounting Standards Codification 330 (ASC 330), inventory is stated at the lower of costs or net realizable value applicable to goods on hand remaining after the matching of absorbed costs with concurrent revenues. The Company has three classes of inventory; raw materials, work in process, and finished goods. Items remain in inventory until they are shipped to the customer, at which time the costs are transferred on a FIFO basis to cost of revenue, or moved to leased assets as applicable.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_844_eus-gaap--TradeAndOtherAccountsReceivablePolicy_z669GdXlFPH4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(f) <span id="xdx_866_zdrjnDIRCXM6">Accounts Receivable</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accounts receivable are stated at the net amount expected to be collected. Amounts are ordinarily due between 30 and 90 days after the issuance of the invoice. We are exposed to credit losses primarily on our accounts receivable and contract assets related to our sales to customers. If applicable, an allowance for credit losses is established to provide for the expected lifetime credit losses by evaluating factors such as customer creditworthiness, historical payment and loss experiences, current economic conditions (including geographic and political risk), and the age and status of outstanding receivables. Based on these factors, management has determined the allowance for credit losses was immaterial. Expected credit losses are written off in the period in which the financial asset is no longer collectible.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 90 days after invoicing). Generally, invoicing occurs after the services are performed or control of the product has transferred to the customer. Accounts receivable represent an unconditional right to consideration arising from the Company’s performance under contracts with customers.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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--PropertyPlantAndEquipmentPolicyTextBlock_zX9T6ZmEhTPg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(g) <span><span id="xdx_868_zUQI7UVMODn">Property and Equipment, net</span></span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Property and equipment is stated at cost, less accumulated depreciation and amortization. Depreciation and amortization is calculated using the straight-line method over the estimated useful lives (three to ten years) of the assets. Leasehold improvements are amortized using the straight-line method over the shorter of the estimated useful life of the asset or the remaining lease term. Expenses for maintenance and repairs are charged to operations as incurred. Property and equipment is also reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of the asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of the asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of the asset exceeds its estimated future cash flows, then an impairment charge is recognized in the amount by which the carrying amount of the asset exceeds the fair value of the asset.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89F_ecustom--PropertyPlantAndEquipmentUsefulLifeTableTextBlock_zB19ZbxeCsCj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8B9_zLVO87d0eLu4" style="display: none">Schedule of Property, Plant and Equipment, Useful Life</span></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 27pt"></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; background-color: White"> <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; width: 49%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Description</b></span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; width: 49%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Estimated depreciable life</b></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"><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">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"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_901_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dtY_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--EquipmentMember__srt--RangeAxis__srt--MinimumMember_zCChB9fM4Wra" title="Property and equipment, useful life (Year)">5</span>-<span id="xdx_90A_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--EquipmentMember__srt--RangeAxis__srt--MaximumMember_z2ZyzWvTsqvk" title="Property and equipment, useful life (Year)">7 years</span></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">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"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90D_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerEquipmentAndSoftwareMember_zd3qJrHANoJd" title="Property and equipment, useful life (Year)">3 years</span></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">Office furniture &amp; fixtures</span></td> <td style="font: 10pt Times New Roman, Times, 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 id="xdx_907_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dtY_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndFixturesMember__srt--RangeAxis__srt--MinimumMember_zK1QXUGU5pM7" title="Property and equipment, useful life (Year)">3</span>-<span id="xdx_907_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndFixturesMember__srt--RangeAxis__srt--MaximumMember_z9eIGu5JixYi" title="Property and equipment, useful life (Year)">7 years</span></span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><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; vertical-align: bottom"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90E_eus-gaap--PropertyPlantAndEquipmentUsefulLifeDescriptionOfTermExtensibleEnumeration_iI_dxL_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zyCcpSSHLNq" title="::XDX::http%3A%2F%2Ffasb.org%2Fus-gaap%2F2023%23UsefulLifeTermOfLeaseMember"><span style="-sec-ix-hidden: xdx2ixbrl0775">Shorter of the estimated useful life or lease term</span></span></span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Leased Power Buoys assets</span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90E_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--LeasedPowerBuoysAssetsMember_z2HB97FcrUci" title="Property and equipment, useful life (Year)">10 years</span></span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Leased WAM-V assets</span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90F_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--LeasedAssetsMember_zwinpOKaM3i5" title="Property and equipment, useful life (Year)">10 years</span></span></td></tr> </table> <p id="xdx_8A9_zhsyq8zD04Te" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i> </i></b></span></p> <p id="xdx_846_eus-gaap--ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_zctusFqMwuoi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(h) <span id="xdx_864_z644K4q8kAEl">Foreign Exchange Gains and Losses</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company maintains cash accounts that are denominated in British pound sterling. These amounts are included in cash, cash equivalents and restricted cash on the accompanying Consolidated Balance Sheets. Transactions denominated in a foreign currency may result in realized and unrealized foreign exchange gains or losses from exchange rate fluctuations, which are included in “Foreign exchange (loss)/gain” in the accompanying Consolidated Statements of Operations.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_841_eus-gaap--ConcentrationRiskCreditRisk_z74awFLjp0b2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(i) <span id="xdx_86A_zKdgdq5r4EU5">Concentration of Credit Risk</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 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 trade accounts receivable, short term investments and cash equivalents. The Company believes that its credit risk is limited because the Company’s current contracts are with entities with a reliable payment history. The Company invests its excess cash in a money market fund and short term held-to maturity investments and does not believe that it is exposed to any significant risks related to its cash accounts, money market fund, or held-to maturity investments. Cash is also maintained at foreign financial institutions. Cash in foreign financial institutions as of October 31, 2023 was immaterial.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">For the six months ended October 31, 2023 and 2022, the Company had three and four customers whose revenues accounted for at least 10% of the Company’s consolidated revenues, respectively. These revenues accounted for approximately <span id="xdx_90F_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20230501__20231031__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ThreeCustomersMember_zfbwB1fcdbD" title="Concentration risk percentage">55</span>% and <span id="xdx_907_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20220501__20221031__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--FourCustomersMember_z4aiCHK2ezlg" title="Concentration risk percentage">69</span>% of the Company’s total revenues for the respective periods. For the three months ended October 31, 2023 and 2022, the Company had four and five customers whose revenues accounted for at least 10% of the Company’s consolidated revenues, respectively. These revenues accounted for approximately <span id="xdx_90D_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20230801__20231031__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--FourCustomersMember_z3c9PAKToHel" title="Concentration risk percentage">71</span>% and <span id="xdx_902_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20220801__20221031__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--FiveCustomersMember_z0Eg86iYOMOg" title="Concentration risk percentage">80</span>% of the Company’s total revenues for the respective periods.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"></p> <p id="xdx_845_eus-gaap--ShareBasedCompensationOptionAndIncentivePlansPolicy_zmnynmWEGQvj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(j) <span id="xdx_867_zgYn1zFRMHQ1">Share-Based Compensatio</span>n</i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 aggregate share-based compensation expense recorded in the Consolidated Statements of Operations for the six months ended October 31, 2023 and 2022 was approximately $<span id="xdx_90A_eus-gaap--ShareBasedCompensation_pn5n6_c20230501__20231031_zZricsUq2PKl" title="Share-based compensation expense">0.7</span> million and $<span id="xdx_902_eus-gaap--ShareBasedCompensation_pn5n6_c20220501__20221031_zAxkN3w6ztN3" title="Share-based compensation expense">0.6 </span>million, respectively. For the three months ended October 31, 2023 and 2022, share-based compensation expense was approximately $<span id="xdx_903_eus-gaap--ShareBasedCompensation_pn5n6_c20230801__20231031_zx9HdeVUzp1g" title="Share-based compensation expense">0.3</span> million and $<span id="xdx_90A_eus-gaap--ShareBasedCompensation_pn5n6_c20220801__20221031_zlLFYdQaGb38" title="Share-based compensation expense">0.3</span> million, respectively. The Company’s policy is to account for forfeitures of share-based compensation as they occur.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_844_eus-gaap--RevenueFromContractWithCustomerPolicyTextBlock_zxKUbqUMVlNk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(k) <span id="xdx_869_z1y04O6LMX6d">Revenue Recognition</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company accounts for revenue in accordance with Accounting Standards Codification 606 (ASC 606) for contracts with customers and Accounting Standards Codification 842 (ASC 842) for leasing arrangements. In relation to ASC 606, which states that 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 as 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 performance obligation 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. When no observable standalone selling price is available, the standalone selling price is generally estimated based upon 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 0pt 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 0pt 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, 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 October 31, 2023 or 2022. The Company presents shipping and handling costs, that occur after control of the promised goods or services transfer to the customer, as fulfillment costs in costs of goods sold and regular shipping and handling activities charged to operating expenses.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 0pt 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 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 or labor hours incurred 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, 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 projections 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. During the six-month period ended October 31, 2023 the Company recognized approximately $<span id="xdx_905_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pn5n6_c20230501__20231031__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredAtPointInTimeMember_zYO78jJtE0l5" title="Revenue related to performance obligations satisfied at a point in time">1.2</span> million in revenue related to performance obligations satisfied at a point in time and approximately $<span id="xdx_901_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pn5n6_c20230501__20231031__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredOverTimeMember_zEHKCNztDpte" title="Revenue related to performance obligations satisfied over-time">0.9</span> million in revenue related to performance obligations satisfied over time. During the three-month period ended October 31, 2023, the Company recognized approximately $<span id="xdx_90A_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pn5n6_c20230801__20231031__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredAtPointInTimeMember_zBL1Lipp8KKh" title="Revenue related to performance obligations satisfied at a point in time">0.5</span> million in revenue related to performance obligation satisfied at a point in time and approximately $<span id="xdx_906_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pn5n6_c20230801__20231031__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredOverTimeMember_zAto7wWnEeH7" title="Revenue related to performance obligations satisfied over-time">0.4</span> million in revenue related to performance obligations satisfied over time.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 contracts, fixed-price contracts, time and material agreements, lease or service agreements. Under cost plus contracts, customers are billed for actual expenses incurred plus an agreed-upon fee.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 revenue, 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 six-month periods ended October 31, 2023 and 2022, the majority of the Company’s contracts were classified as firm fixed-price and the remainder were cost-sharing.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company’s contract assets and liabilities primarily relate to the timing differences between cash received from a customer in connection with contractual rights to invoicing and the timing of revenue recognition following completion of performance obligations. The Company’s accounts receivable balance is made up entirely of customer contract related balances.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company’s revenue also includes revenue from certain contracts which do not fall within the scope of ASC 606, but under the scope of ASC 842. At inception of a contract for those classified under ASC 842, the Company classifies leases as either operating or financing in accordance with the authoritative accounting guidance contained within ASC Topic 842, “Leases”. If the direct financing or sales-type classification criteria are met, then the lease is accounted for as a finance lease. All others are treated as operating leases. The Company recognizes revenue from operating lease arrangements generally on a straight-line basis over the lease term, or as agreed upon in-use days are utilized, which is presented in Revenue in the Consolidated Statement of Operations. The Company also enters into lease arrangements for its PowerBuoys® and 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 PowerBuoy®, WAM-V®, and components, while non-lease elements, which the Company expects to become more prevalent, generally include engineering, monitoring and support services. In the lease arrangement, the customer may be provided with an option to extend the lease term or purchase the leased buoy or WAM-V® 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 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As of October 31, 2023, the Company’s total remaining performance obligations, also referred to as backlog, totaled $<span id="xdx_90E_eus-gaap--RevenueRemainingPerformanceObligation_iI_pn5n6_c20231031_zapmI76v3ZQk" title="Revenue remaining performance obligation">4.5</span> million. The Company expects to recognize approximately <span id="xdx_90C_ecustom--RevenueRemainingPerformancesObligationPercentage_pid_dp_uPure_c20230501__20231031_z5CaLcWQ7LE5" title="Expects to recognize revenue remaining performance obligation, percentage">70</span>%, or $<span id="xdx_90A_ecustom--ExpectsToRecognizeRevenueRemainingPerformanceObligation_iI_pn5n6_c20231031_zU6yd32k37fa" title="Expects to recognize revenue remaining performance obligation">3.2</span> million, 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 0pt 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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"> </p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Existing customers are subject to ongoing credit evaluations based on payment history and other factors. If it is determined that collectability of any portion of the contract value is not probable, an analysis of variable consideration will be performed using either the most likely amount or expected value method to determine the amount of revenue that must be constrained until the scenario causing the variability has been resolved.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company has elected to record taxes collected from customers on a net basis and does not include tax amounts in revenue or costs of revenue.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_890_eus-gaap--DisaggregationOfRevenueTableTextBlock_zlw32XUUutkg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The below table represents the total revenue recognized under ASC 606 and ASC 842 for the three and six months ended October 31, 2023 and 2022.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8B6_zBDGT7hzBtJe" style="display: none">Schedule of Revenue Recognizes From Operating Lease Arrangements</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended October 31, 2023</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended </span>October 31, 2022</p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Product Line:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="width: 28%"><span style="font-family: Times New Roman, Times, Serif">WAM-V</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zJH7GtaqRZog" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">540</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_zKqq9DsLP1ga" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__custom--WAMVMember_zAs2nQskfli5" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,049</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zX6BDWyG1Sxc" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">420</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_zdXp8U3NoPv7" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__custom--WAMVMember_zxeq4vw0xTr5" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">435</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Buoy</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_z8V3A2EoQ94j" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">630</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zMooRQsoHQl3" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0835">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__custom--BuoyMember_zluImiZFNRZj" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">630</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_zmSzn4ZWohC8" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">50</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zd1cwnNI4Ccf" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0841">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__custom--BuoyMember_zLgAg9oIeI14" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">50</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zX90Z8vrRUS6" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">482</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zsPThH3e8pfe" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0847">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_ztKZIWXNVzr9" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">482</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zdjMNLrJFBeb" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">532</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zqzP4QukiS17" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0853">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_z0ctW3g9bMXk" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">532</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZ2pM1rkcwb3" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,652</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZ93qRrbmh0f" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__us-gaap--ProductMember_zex1sV3W9rOb" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">2,161</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zyK93QDakRj5" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,002</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zQ2sc8F65kf7" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__us-gaap--ProductMember_zkRAWydVBHRb" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,017</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Region:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">North and South America</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zKn76ucGeQbl" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,652</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zZCeVCOQsyb9" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zTNmf116b4Yf" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">2,161</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zzdvUUFOzss6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">770</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_z3BFHEcvkw3k" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zWNxTwaRijLc" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">785</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Asia and Australia</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zlfRYcSfccgh" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0881">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z3NqlX8kCqW6" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0883">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zcvpPxLe4Ty3" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0885">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z8Ikqo4bUwme" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">232</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_znkNZAvw1lzb" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0889">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zaLdnX42x26l" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">232</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_zWvGllcyrA53" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,652</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zEZBQ5yz9Y53" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--StatementGeographicalAxis__custom--RegionMember_zJp6wsKRLE92" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">2,161</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_z1dvM4f3IIQk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,002</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zzfLejhBgftf" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--StatementGeographicalAxis__custom--RegionMember_zK7ZjGb4IYOk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,017</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Three months ended October 31, 2023</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Three months ended </span>October 31, 2022</p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Product Line:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="width: 28%"><span style="font-family: Times New Roman, Times, Serif">WAM-V</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zAVQMYFqgG7f" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">81</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_z9kYofG58DD2" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__custom--WAMVMember_z3CwKhda2WTl" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">347</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zmMeyiQTcTbe" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">98</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_zy2g3uBVEBV9" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0913">—</span></span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__custom--WAMVMember_z2apogdQppth" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">98</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Buoy</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_zLD5d9dl9fUl" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">380</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zumsRjTsfjn6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0919">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__custom--BuoyMember_zAovoSD3N3zg" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">380</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_zIkirj5LJHS2" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">38</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zyCYJVwGX5Xb" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0925">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__custom--BuoyMember_zmWW2X0sRZoc" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">38</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_ziRr4esTLy6k" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">162</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zV7VuKm3YAwg" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0931">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zjMVcCnd3f5j" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">162</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zDMJDcidmJud" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">167</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zQFYP05nd9la" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0937">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zZhyDWZixLKk" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">167</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_ze1IeywNeM38" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">623</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZCKNIsY9Llj" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__us-gaap--ProductMember_zPGUfByyf2rl" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">889</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zzLe4eltxxu6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zCh2XKQBtGh6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0949">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__us-gaap--ProductMember_z0kVbHbsqu4d" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Region:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">North and South America</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zyLmJ3GrPgC9" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">623</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_z4wNJ9GTftd1" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zrhToACBxPmk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">889</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zi9AwrGTB8J3" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">249</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zR80CF8wEPkj" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0961">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_z0NvUkuNNbge" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">249</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Asia and Australia</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z7FNZnyM8omk" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0965">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zTe7Urbxb58f" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0967">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zAJeLqHip1ie" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0969">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z8a1aIYLnSZ5" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">54</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zkTJmec9Sbii" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0973">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zRGUBx16KhN9" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">54</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_zzhh92FsFste" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">623</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zcgNDSEELLwk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--StatementGeographicalAxis__custom--RegionMember_zkP8u1dJoKZa" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">889</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_zuzxTt895zGi" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zhXHtNoBLQDg" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0985">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--StatementGeographicalAxis__custom--RegionMember_zOHfEOtTr5z2" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A0_zVuAGmvizw6d" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i> </i></b></span></p> <p id="xdx_846_eus-gaap--EarningsPerSharePolicyTextBlock_zkl1OdJKI50l" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(l) <span id="xdx_86F_zhTD0F6cnPy8">Net Loss per Common Share</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Basic and diluted net loss per 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 period. 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 units (“RSU”) issued to employees and non-employee directors, were excluded from the diluted loss per share calculation due to their anti-dilutive effect.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In computing diluted net loss per share on the Consolidated Statement of Operations, warrants on common stock, options to purchase shares of common stock and unvested RSUs issued to employees and non-employee directors, totaling <span id="xdx_903_eus-gaap--AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c20230501__20231031_zpm94ey6Qmu8" title="Antidilutive securities excluded from computation of earnings per share, amount">7,294,852</span> and <span id="xdx_906_eus-gaap--AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c20220501__20221031_zhYkaPrOT4Cg" title="Antidilutive securities excluded from computation of earnings per share, amount">6,242,465</span> as of October 31, 2023 and 2022, respectively, were excluded from each of the computations as the effect would have been anti-dilutive due to the net loss for the period. Share purchase rights, which include a contingency, are not included in the calculation until the contingency is resolved.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"> </p> <p id="xdx_847_eus-gaap--GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_zKgrRUy72rw7" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(m) <span id="xdx_86E_zM8nYGgXRrE6">Intangibles</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible assets acquired in a business combination are recognized separately from goodwill and are initially recognized at their fair value at the acquisition date (which is regarded as their cost). Intangible assets, including patents, are amortized over the estimated useful life of the asset on a basis that approximates the pattern of economic benefit. The patents, trade name and customer relationship intangibles are being amortized over <span id="xdx_90E_eus-gaap--FiniteLivedIntangibleAssetUsefulLife_iI_dtY_c20231031__us-gaap--IndefiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_z6acWGZpLy4g" title="Intangible asset estimated lives">20</span>, <span id="xdx_905_eus-gaap--FiniteLivedIntangibleAssetUsefulLife_iI_dtY_c20231031__us-gaap--IndefiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--TradeNamesMember_zOJVStE4bAK1" title="Intangible asset estimated lives">12</span> and <span id="xdx_90F_eus-gaap--FiniteLivedIntangibleAssetUsefulLife_iI_dtY_c20231031__us-gaap--IndefiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zMFd2QwM1hM5" title="Intangible asset estimated lives">10</span> years respectively, which is consistent with the estimated pattern of economic benefit of the assets. The trademark is not subject to amortization.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible assets are reviewed for impairment if indicators of potential impairment exist. There were no indications of potential impairment of intangible assets for the six months ended October 31, 2023 and 2022.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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--GoodwillAndIntangibleAssetsGoodwillPolicy_zARKz2LoxkHc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(n) <span id="xdx_868_z2e36DO3ojG9">Goodwill</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Goodwill is assessed for impairment using a qualitative or quantitative approach. The Company performs an annual impairment test of goodwill and further periodic tests to the extent indicators of impairment develop between annual impairment tests. There were no indications of potential impairment of goodwill identified for the six months ended October 31, 2023 and 2022.Where the Company use a qualitative analysis, it considers factors that include historical financial performance, macroeconomic and industry conditions, and the legal and regulatory environment. If the qualitative assessment indicates that it is more likely than not that an impairment exists, then a quantitative assessment is also performed. The quantitative assessment requires an analysis of several estimates including future cash flows or income consistent with management’s strategic business plans, annual sales growth rates and the selection of assumptions underlying a discount rate (weighted average cost of capital) based on market data available at the time to determine fair value of the Company. If the fair value is less than the carrying amounts, an impairment charge for the difference is recorded. The Company acquired goodwill as part of its purchase of MAR. Management performed its annual qualitative assessment in fiscal year 2023 and determined that it is more likely than not that no goodwill impairment existed as of April 30, 2023.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_843_eus-gaap--IncomeTaxPolicyTextBlock_zx6xt4bD8Nxd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(o)<span id="xdx_865_zPlZfeYZG7q6"> Income Taxes</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Income taxes are accounted for under ACS 740 utilizing the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carry forwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences and operating loss and tax credit carry forwards are expected to be recovered, settled or utilized. In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some portion or all the deferred tax assets will not be realized. If such event occurs, a valuation allowance is recorded. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company recognizes the effect of income tax positions only if those positions are more likely than not of being sustained upon examination. Recognized income tax positions are measured at the largest amount that is greater than 50% likely of being realized. Changes in recognition or measurement are reflected in the period in which the change in judgment occurs. The Company records interest related to unrecognized tax benefits in interest expense and penalties in selling, general, and administrative expenses, to the extent incurred. Refer to Note 15 for additional disclosure.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 0pt 0pt 0; text-align: justify"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_843_ecustom--AccumulatedOtherComprehensiveLossPolicyTextBlock_zfWR1pWHZON1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(p) <span id="xdx_86F_zAFoSfejST3k">Accumulated Other Comprehensive Loss</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The functional currency for the Company’s foreign operations is the applicable local currency. The translation from the applicable foreign currencies to U.S. dollars is performed for balance sheet accounts using the exchange rates in effect at the balance sheet date and for revenue and expense accounts using an average exchange rate during the period. The unrealized gains or losses resulting from such translation are included in Accumulated Other Comprehensive Loss within Shareholders’ Equity. For the six months ended October 31, 2023 and 2022, there were no amounts recorded to other comprehensive (income) loss due to limited foreign operations.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_847_ecustom--WarrantyPolicyTextBlock_zGHjw8aqf6S1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(q) <span id="xdx_86C_zNGFpWabU669">Warranty</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company does not include a right of return on its products other than rights related to standard warranty provisions that permit repair or replacement of defective goods.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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--ResearchAndDevelopmentExpensePolicy_z0JYyyuB84yd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(r) <span id="xdx_869_zKNBv62y61Gk">Research and Development</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Costs related to research and development activities by the Company are expensed as incurred. The Company had approximately $<span id="xdx_904_eus-gaap--ResearchAndDevelopmentExpense_pn5n6_c20230501__20231031_zoqlvP3L6qS8" title="Product development expense">4.0</span> million and $<span id="xdx_900_eus-gaap--ResearchAndDevelopmentExpense_pn5n6_c20220501__20221031_zqZJ2FqYr06" title="Product development expense">4.7</span> million in product development expense for the six months ended October 31, 2023 and 2022, respectively. The Company had approximately $<span id="xdx_90D_eus-gaap--ResearchAndDevelopmentExpense_pn5n6_c20230801__20231031_zsTVg1VMjvGk" title="Product development expense">2.1</span> million and $<span id="xdx_900_eus-gaap--ResearchAndDevelopmentExpense_pn5n6_c20220801__20221031_z1BtKaymirp6" title="Product development expense">2.3</span> million in product development expense for the three months ended October 31, 2023 and 2022, respectively.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_845_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zjY3BG2VR2Wf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(s) <span id="xdx_865_zdLvDVtMGCFh">Recently Issued Accounting Standards</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">There have been no recently issued accounting standards in the current period that would significantly affect the Company’s financial statements, that have not been address in prior periods.</span></p> <p id="xdx_85B_zDyOPdbmuA6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_849_eus-gaap--ConsolidationPolicyTextBlock_zyzV6vJab7Zb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(a) <span id="xdx_86F_znPJXeC0Yefg">Consolidation</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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, Marine Advanced Robotics Inc. (CA), 3dent Technologies LLC (TX), Oregon Wave Energy Partners I LLC (DE), ReedSport OPT WavePark, LLC (OR) and Ocean Power Technologies Ltd. in the United Kingdom. ReedSport OPT WavePark, LLC (OR) and Oregon Wave Energy Partners I, LLC (DE) were dissolved during the first quarter of fiscal 2024. All significant intercompany balances and transactions have been eliminated in consolidation.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i> </i></b></span></p> <p id="xdx_84E_eus-gaap--UseOfEstimates_zeSqvgyojOB6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(b) <span id="xdx_863_zOlT8MtXS5e5">Use of Estimates</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 several 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, stock-based compensation, over time revenue recognition, valuation consideration related to business combinations, including contingent consideration, and other assumptions and estimates used to evaluate the recoverability of long-lived assets, goodwill and other intangible assets. Actual results could differ from those estimates.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i> </i></b></span></p> <p id="xdx_844_eus-gaap--BusinessCombinationsPolicy_zV5MZVVdf95e" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(c) <span id="xdx_86D_zXKlFYreHHnd">Business Combinations</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company accounts for business combinations in accordance with Financial Accounting and Standards Board (“FASB”) Business Combinations (Topic 805). The Company allocates the fair value of consideration transferred in a business combination to the estimated fair value at the acquisition date of the tangible and intangible assets acquired as well as the liabilities assumed. Acquisition costs are expensed as incurred. Any excess consideration transferred is recorded as goodwill and in instances where the fair value of consideration transferred is less than the estimated fair value of tangible and intangible assets acquired less liabilities assumed, such amounts are recorded as a gain on the bargain purchase.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_84B_eus-gaap--CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_zq1LoRtI6XPk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(d) <span id="xdx_860_zTjmBpsYMg0k">Cash, Cash Equivalents, Restricted Cash and Security Agreements and Short Term Investments</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 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 0pt 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 0pt 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 an original maturity of three months or less when purchased, to be cash equivalents. The Company invests excess cash in a money market account or in short term investments that are held-to-maturity. The Company had cash and cash equivalents of approximately $<span id="xdx_900_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn5n6_c20231031_zzyBbxfedSbj" title="Cash and cash equivalents">3.3</span> million as of October 31, 2023 and $<span id="xdx_900_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn5n6_c20230430_zzIkcBKc2iOg" title="Cash and cash equivalents">6.9</span> million as of April 30, 2023.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><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 0pt 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 0pt 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_90A_eus-gaap--Deposits_iI_c20231031__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember_zCI9J3blL6gk" title="Deposits">156,000</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 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Santander also issued a letter of credit to subsidiaries of Enel Green Power (“EGP”) pursuant to the Company’s contracts with EGP. This letter of credit was originally issued in August 2020 and has a remaining amount of $<span id="xdx_903_eus-gaap--LineOfCredit_iI_c20200831__us-gaap--AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis__custom--SantanderBankMember__us-gaap--AwardDateAxis__custom--JanuaryTwoThousandTwentyFourMember_zBZSw2LDxIui" title="Letters of credit issued amount">65,000</span> which will be released in January 2024.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_898_eus-gaap--ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_zIlgsl5XfHE2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span><span id="xdx_8BA_z2Tkb7H2vIF3" style="display: none">Schedule of Cash and Cash Equivalents and Restricted Cash</span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49C_20231031_zflnBMpzqeE" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_499_20230430_zDhTBv5ZOlT5" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn3n3_maCCERCzbyj_zt1kyBjmAEN7" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Cash and cash equivalents</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,292</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,883</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_402_eus-gaap--RestrictedCashCurrent_iI_pn3n3_maCCERCzbyj_znFd6iM0qoO" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Restricted cash- short term</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">219</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">65</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40B_eus-gaap--RestrictedCashNoncurrent_iI_pn3n3_maCCERCzbyj_zSKQycvaWA3b" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Restricted cash- long term</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0690">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">155</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40F_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iTI_pn3n3_mtCCERCzbyj_zzNirMC4Ehag" style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Cash, cash equivalents, restricted cash and restricted cash equivalents</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,511</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7,103</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A7_zzS4rAkgQrIb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Short Term Investments</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As of October 31, 2023 and April 30, 2023, the carrying value was approximately $<span id="xdx_907_eus-gaap--ShortTermInvestments_iI_pn5n6_c20231031_zkNfQAGsKXnh" title="Short term investments">15.4</span> million and $<span id="xdx_906_eus-gaap--ShortTermInvestments_iI_pn5n6_c20230430_z4hXBRZ4P5b6" title="Short term investments">27.8</span> million, respectively. All short term investments consist of corporate bonds, government agency bonds, or U.S. Treasury Notes and Bonds, are investment grade rated or better, and mature within 12 months. The Company has the ability and the intention to hold all investments to maturity, and as such are classified as held-to-maturity investments and carried at amortized cost.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The total accretion of discounts (amortization of premium) recognized for the six month periods ended October 31, 2023 and 2022 is approximately $<span id="xdx_901_ecustom--AccretionOfDiscountAmortizationOfPremiumOnInvestment_pn5n6_c20230501__20231031_zgZNLnRG4sG2" title="Accretion of discount and amortization of premium on investments">0.2</span> million and $<span id="xdx_907_ecustom--AccretionOfDiscountAmortizationOfPremiumOnInvestment_pn5n6_c20220501__20221031_zt4fwi1U4iUa" title="Accretion of discount and amortization of premium on investments">(0.2)</span> million, respectively. The total accretion of discounts (amortization of premium) on investments for the three month period ended October 31, 2023 and 2022 was $<span id="xdx_906_ecustom--AccretionOfDiscountAmortizationOfPremiumOnInvestment_pn5n6_c20230801__20231031_zysSxGOZ8xOd" title="Accretion of discount and amortization of premium on investments">0.1</span> million and $<span id="xdx_909_ecustom--AccretionOfDiscountAmortizationOfPremiumOnInvestment_iN_pn4n6_di_c20220801__20221031_z1CM11GcKFli" title="Accretion of discount and amortization of premium on investments">(0.06)</span> million, respectively. Additionally, there has been no impairment on these investments.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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--UnrealizedGainLossOnInvestmentsTableTextBlock_zkbQjJnjMIRf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The following table summarizes the Company’s short term investments as of October 31, 2023 and April 30, 2023:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span><span id="xdx_8B1_zR3GfNHRsHqk" style="display: none">Schedule of Investments and Unrealized Gains/Losses</span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td style="border-bottom: Black 1.5pt solid; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Category</span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amortized Cost</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Unrealized Gains</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Market Value</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amortized Cost</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Unrealized Gains</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Market Value</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 28%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Corporate Bonds</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_zA7UAxLGy616" style="width: 8%; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">6,911</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_zr4Cd7LepzYg" style="width: 8%; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">56</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_z1X9KlJAzU1d" style="width: 8%; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">6,967</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_zLK5Xv09zSCk" style="width: 8%; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">14,776</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_z3bMfTtOiLnd" style="width: 8%; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">100</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_ziw2bqPTjSXa" style="width: 8%; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">14,876</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Government Bonds &amp; Notes</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zFu7OZ3iJ6a" style="text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">6,692</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_z4ZnN3OK2pcg" style="text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">35</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_984_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zLcG2nvJV7J" style="text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">6,727</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98E_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zuqReDx24z3l" style="text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">9,188</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zmxtPrQZpaqg" style="text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">33</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_984_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zU0dDIQjHDz3" style="text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">9,221</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Government Agency Bonds</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zaETbAB6HRTl" style="border-bottom: Black 1.5pt solid; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">1,824</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zgEke0yxp5zc" style="border-bottom: Black 1.5pt solid; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">23</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_987_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_z3nlQOJyn6Tl" style="border-bottom: Black 1.5pt solid; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">1,847</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_z1NBjzSeVe0a" style="border-bottom: Black 1.5pt solid; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">3,826</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zhMZP649sG6f" style="border-bottom: Black 1.5pt solid; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">25</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_987_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zC69wkqpMHVd" style="border-bottom: Black 1.5pt solid; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">3,851</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Short Term Investments</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031_zcXnxAWREQl4" style="border-bottom: Black 2.5pt double; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">15,427</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031_zfbBRCV1uj6e" style="border-bottom: Black 2.5pt double; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">114</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031_zrtwbd9GdIgc" style="border-bottom: Black 2.5pt double; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">15,541</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430_zZELKrsOgPD4" style="border-bottom: Black 2.5pt double; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">27,790</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430_zjh4KWwX6lFb" style="border-bottom: Black 2.5pt double; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">158</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430_zWUtfTBFaUue" style="border-bottom: Black 2.5pt double; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">27,948</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A4_zwmai0n9vIZ" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 3300000 6900000 156000 65000 <p id="xdx_898_eus-gaap--ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_zIlgsl5XfHE2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span><span id="xdx_8BA_z2Tkb7H2vIF3" style="display: none">Schedule of Cash and Cash Equivalents and Restricted Cash</span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49C_20231031_zflnBMpzqeE" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_499_20230430_zDhTBv5ZOlT5" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn3n3_maCCERCzbyj_zt1kyBjmAEN7" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Cash and cash equivalents</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,292</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">6,883</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_402_eus-gaap--RestrictedCashCurrent_iI_pn3n3_maCCERCzbyj_znFd6iM0qoO" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Restricted cash- short term</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">219</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">65</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40B_eus-gaap--RestrictedCashNoncurrent_iI_pn3n3_maCCERCzbyj_zSKQycvaWA3b" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Restricted cash- long term</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0690">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">155</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40F_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iTI_pn3n3_mtCCERCzbyj_zzNirMC4Ehag" style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Cash, cash equivalents, restricted cash and restricted cash equivalents</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,511</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">7,103</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 3292000 6883000 219000 65000 155000 3511000 7103000 15400000 27800000 200000 -200000 100000 60000.00 <p id="xdx_89B_eus-gaap--UnrealizedGainLossOnInvestmentsTableTextBlock_zkbQjJnjMIRf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The following table summarizes the Company’s short term investments as of October 31, 2023 and April 30, 2023:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span><span id="xdx_8B1_zR3GfNHRsHqk" style="display: none">Schedule of Investments and Unrealized Gains/Losses</span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td style="border-bottom: Black 1.5pt solid; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Category</span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amortized Cost</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Unrealized Gains</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Market Value</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Amortized Cost</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Unrealized Gains</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Market Value</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 28%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Corporate Bonds</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_zA7UAxLGy616" style="width: 8%; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">6,911</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_zr4Cd7LepzYg" style="width: 8%; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">56</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_z1X9KlJAzU1d" style="width: 8%; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">6,967</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_zLK5Xv09zSCk" style="width: 8%; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">14,776</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_z3bMfTtOiLnd" style="width: 8%; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">100</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--CorporateBondsMember_ziw2bqPTjSXa" style="width: 8%; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">14,876</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Government Bonds &amp; Notes</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zFu7OZ3iJ6a" style="text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">6,692</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_z4ZnN3OK2pcg" style="text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">35</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_984_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zLcG2nvJV7J" style="text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">6,727</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98E_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zuqReDx24z3l" style="text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">9,188</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zmxtPrQZpaqg" style="text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">33</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_984_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentBondsandNotesMember_zU0dDIQjHDz3" style="text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">9,221</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Government Agency Bonds</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zaETbAB6HRTl" style="border-bottom: Black 1.5pt solid; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">1,824</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zgEke0yxp5zc" style="border-bottom: Black 1.5pt solid; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">23</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_987_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_z3nlQOJyn6Tl" style="border-bottom: Black 1.5pt solid; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">1,847</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_z1NBjzSeVe0a" style="border-bottom: Black 1.5pt solid; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">3,826</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zhMZP649sG6f" style="border-bottom: Black 1.5pt solid; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">25</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_987_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430__us-gaap--InvestmentTypeAxis__custom--GovernmentAgencyMember_zC69wkqpMHVd" style="border-bottom: Black 1.5pt solid; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">3,851</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total Short Term Investments</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20231031_zcXnxAWREQl4" style="border-bottom: Black 2.5pt double; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">15,427</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98C_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20230501__20231031_zfbBRCV1uj6e" style="border-bottom: Black 2.5pt double; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">114</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20231031_zrtwbd9GdIgc" style="border-bottom: Black 2.5pt double; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">15,541</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--InvestmentOwnedAtCost_iI_pn3n3_c20230430_zZELKrsOgPD4" style="border-bottom: Black 2.5pt double; text-align: right" title="Amortized Cost"><span style="font-family: Times New Roman, Times, Serif">27,790</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--UnrealizedGainLossOnInvestments_pn3n3_c20220501__20230430_zjh4KWwX6lFb" style="border-bottom: Black 2.5pt double; text-align: right" title="Unrealized Gains (Losses)"><span style="font-family: Times New Roman, Times, Serif">158</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--MoneyMarketFundsAtCarryingValue_iI_pn3n3_c20230430_zWUtfTBFaUue" style="border-bottom: Black 2.5pt double; text-align: right" title="Market Value"><span style="font-family: Times New Roman, Times, Serif">27,948</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 6911000 56000 6967000 14776000 100000 14876000 6692000 35000 6727000 9188000 33000 9221000 1824000 23000 1847000 3826000 25000 3851000 15427000 114000 15541000 27790000 158000 27948000 <p id="xdx_843_eus-gaap--InventoryPolicyTextBlock_z7X8zAucEaTh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(e) <span id="xdx_86A_zBsxtDmrbJDh">Inventory</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In accordance with Accounting Standards Codification 330 (ASC 330), inventory is stated at the lower of costs or net realizable value applicable to goods on hand remaining after the matching of absorbed costs with concurrent revenues. The Company has three classes of inventory; raw materials, work in process, and finished goods. Items remain in inventory until they are shipped to the customer, at which time the costs are transferred on a FIFO basis to cost of revenue, or moved to leased assets as applicable.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_844_eus-gaap--TradeAndOtherAccountsReceivablePolicy_z669GdXlFPH4" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(f) <span id="xdx_866_zdrjnDIRCXM6">Accounts Receivable</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accounts receivable are stated at the net amount expected to be collected. Amounts are ordinarily due between 30 and 90 days after the issuance of the invoice. We are exposed to credit losses primarily on our accounts receivable and contract assets related to our sales to customers. If applicable, an allowance for credit losses is established to provide for the expected lifetime credit losses by evaluating factors such as customer creditworthiness, historical payment and loss experiences, current economic conditions (including geographic and political risk), and the age and status of outstanding receivables. Based on these factors, management has determined the allowance for credit losses was immaterial. Expected credit losses are written off in the period in which the financial asset is no longer collectible.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 90 days after invoicing). Generally, invoicing occurs after the services are performed or control of the product has transferred to the customer. Accounts receivable represent an unconditional right to consideration arising from the Company’s performance under contracts with customers.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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--PropertyPlantAndEquipmentPolicyTextBlock_zX9T6ZmEhTPg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(g) <span><span id="xdx_868_zUQI7UVMODn">Property and Equipment, net</span></span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Property and equipment is stated at cost, less accumulated depreciation and amortization. Depreciation and amortization is calculated using the straight-line method over the estimated useful lives (three to ten years) of the assets. Leasehold improvements are amortized using the straight-line method over the shorter of the estimated useful life of the asset or the remaining lease term. Expenses for maintenance and repairs are charged to operations as incurred. Property and equipment is also reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of the asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of the asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of the asset exceeds its estimated future cash flows, then an impairment charge is recognized in the amount by which the carrying amount of the asset exceeds the fair value of the asset.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89F_ecustom--PropertyPlantAndEquipmentUsefulLifeTableTextBlock_zB19ZbxeCsCj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8B9_zLVO87d0eLu4" style="display: none">Schedule of Property, Plant and Equipment, Useful Life</span></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 27pt"></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; background-color: White"> <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; width: 49%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Description</b></span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; width: 49%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Estimated depreciable life</b></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"><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">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"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_901_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dtY_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--EquipmentMember__srt--RangeAxis__srt--MinimumMember_zCChB9fM4Wra" title="Property and equipment, useful life (Year)">5</span>-<span id="xdx_90A_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--EquipmentMember__srt--RangeAxis__srt--MaximumMember_z2ZyzWvTsqvk" title="Property and equipment, useful life (Year)">7 years</span></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">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"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90D_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerEquipmentAndSoftwareMember_zd3qJrHANoJd" title="Property and equipment, useful life (Year)">3 years</span></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">Office furniture &amp; fixtures</span></td> <td style="font: 10pt Times New Roman, Times, 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 id="xdx_907_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dtY_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndFixturesMember__srt--RangeAxis__srt--MinimumMember_zK1QXUGU5pM7" title="Property and equipment, useful life (Year)">3</span>-<span id="xdx_907_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndFixturesMember__srt--RangeAxis__srt--MaximumMember_z9eIGu5JixYi" title="Property and equipment, useful life (Year)">7 years</span></span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><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; vertical-align: bottom"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90E_eus-gaap--PropertyPlantAndEquipmentUsefulLifeDescriptionOfTermExtensibleEnumeration_iI_dxL_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zyCcpSSHLNq" title="::XDX::http%3A%2F%2Ffasb.org%2Fus-gaap%2F2023%23UsefulLifeTermOfLeaseMember"><span style="-sec-ix-hidden: xdx2ixbrl0775">Shorter of the estimated useful life or lease term</span></span></span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Leased Power Buoys assets</span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90E_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--LeasedPowerBuoysAssetsMember_z2HB97FcrUci" title="Property and equipment, useful life (Year)">10 years</span></span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Leased WAM-V assets</span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90F_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--LeasedAssetsMember_zwinpOKaM3i5" title="Property and equipment, useful life (Year)">10 years</span></span></td></tr> </table> <p id="xdx_8A9_zhsyq8zD04Te" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i> </i></b></span></p> <p id="xdx_89F_ecustom--PropertyPlantAndEquipmentUsefulLifeTableTextBlock_zB19ZbxeCsCj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8B9_zLVO87d0eLu4" style="display: none">Schedule of Property, Plant and Equipment, Useful Life</span></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 27pt"></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; background-color: White"> <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; width: 49%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Description</b></span></td> <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 1.5pt; width: 2%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="border-bottom: Black 1.5pt solid; font: 10pt Times New Roman, Times, Serif; width: 49%"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>Estimated depreciable life</b></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"><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">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"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_901_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dtY_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--EquipmentMember__srt--RangeAxis__srt--MinimumMember_zCChB9fM4Wra" title="Property and equipment, useful life (Year)">5</span>-<span id="xdx_90A_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--EquipmentMember__srt--RangeAxis__srt--MaximumMember_z2ZyzWvTsqvk" title="Property and equipment, useful life (Year)">7 years</span></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">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"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90D_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerEquipmentAndSoftwareMember_zd3qJrHANoJd" title="Property and equipment, useful life (Year)">3 years</span></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">Office furniture &amp; fixtures</span></td> <td style="font: 10pt Times New Roman, Times, 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 id="xdx_907_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dtY_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndFixturesMember__srt--RangeAxis__srt--MinimumMember_zK1QXUGU5pM7" title="Property and equipment, useful life (Year)">3</span>-<span id="xdx_907_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndFixturesMember__srt--RangeAxis__srt--MaximumMember_z9eIGu5JixYi" title="Property and equipment, useful life (Year)">7 years</span></span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><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; vertical-align: bottom"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90E_eus-gaap--PropertyPlantAndEquipmentUsefulLifeDescriptionOfTermExtensibleEnumeration_iI_dxL_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zyCcpSSHLNq" title="::XDX::http%3A%2F%2Ffasb.org%2Fus-gaap%2F2023%23UsefulLifeTermOfLeaseMember"><span style="-sec-ix-hidden: xdx2ixbrl0775">Shorter of the estimated useful life or lease term</span></span></span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; background-color: rgb(204,238,255)"> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Leased Power Buoys assets</span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90E_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--LeasedPowerBuoysAssetsMember_z2HB97FcrUci" title="Property and equipment, useful life (Year)">10 years</span></span></td></tr> <tr style="font: 10pt Times New Roman, Times, Serif; background-color: White"> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Leased WAM-V assets</span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></td> <td style="font: 10pt Times New Roman, Times, Serif; vertical-align: top"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90F_eus-gaap--PropertyPlantAndEquipmentUsefulLife_iI_dc_c20231031__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--LeasedAssetsMember_zwinpOKaM3i5" title="Property and equipment, useful life (Year)">10 years</span></span></td></tr> </table> P5Y P7Y P3Y P3Y P7Y P10Y P10Y <p id="xdx_846_eus-gaap--ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_zctusFqMwuoi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(h) <span id="xdx_864_z644K4q8kAEl">Foreign Exchange Gains and Losses</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company maintains cash accounts that are denominated in British pound sterling. These amounts are included in cash, cash equivalents and restricted cash on the accompanying Consolidated Balance Sheets. Transactions denominated in a foreign currency may result in realized and unrealized foreign exchange gains or losses from exchange rate fluctuations, which are included in “Foreign exchange (loss)/gain” in the accompanying Consolidated Statements of Operations.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_841_eus-gaap--ConcentrationRiskCreditRisk_z74awFLjp0b2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(i) <span id="xdx_86A_zKdgdq5r4EU5">Concentration of Credit Risk</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 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 trade accounts receivable, short term investments and cash equivalents. The Company believes that its credit risk is limited because the Company’s current contracts are with entities with a reliable payment history. The Company invests its excess cash in a money market fund and short term held-to maturity investments and does not believe that it is exposed to any significant risks related to its cash accounts, money market fund, or held-to maturity investments. Cash is also maintained at foreign financial institutions. Cash in foreign financial institutions as of October 31, 2023 was immaterial.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">For the six months ended October 31, 2023 and 2022, the Company had three and four customers whose revenues accounted for at least 10% of the Company’s consolidated revenues, respectively. These revenues accounted for approximately <span id="xdx_90F_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20230501__20231031__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ThreeCustomersMember_zfbwB1fcdbD" title="Concentration risk percentage">55</span>% and <span id="xdx_907_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20220501__20221031__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--FourCustomersMember_z4aiCHK2ezlg" title="Concentration risk percentage">69</span>% of the Company’s total revenues for the respective periods. For the three months ended October 31, 2023 and 2022, the Company had four and five customers whose revenues accounted for at least 10% of the Company’s consolidated revenues, respectively. These revenues accounted for approximately <span id="xdx_90D_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20230801__20231031__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--FourCustomersMember_z3c9PAKToHel" title="Concentration risk percentage">71</span>% and <span id="xdx_902_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20220801__20221031__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--FiveCustomersMember_z0Eg86iYOMOg" title="Concentration risk percentage">80</span>% of the Company’s total revenues for the respective periods.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"></p> 0.55 0.69 0.71 0.80 <p id="xdx_845_eus-gaap--ShareBasedCompensationOptionAndIncentivePlansPolicy_zmnynmWEGQvj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(j) <span id="xdx_867_zgYn1zFRMHQ1">Share-Based Compensatio</span>n</i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 aggregate share-based compensation expense recorded in the Consolidated Statements of Operations for the six months ended October 31, 2023 and 2022 was approximately $<span id="xdx_90A_eus-gaap--ShareBasedCompensation_pn5n6_c20230501__20231031_zZricsUq2PKl" title="Share-based compensation expense">0.7</span> million and $<span id="xdx_902_eus-gaap--ShareBasedCompensation_pn5n6_c20220501__20221031_zAxkN3w6ztN3" title="Share-based compensation expense">0.6 </span>million, respectively. For the three months ended October 31, 2023 and 2022, share-based compensation expense was approximately $<span id="xdx_903_eus-gaap--ShareBasedCompensation_pn5n6_c20230801__20231031_zx9HdeVUzp1g" title="Share-based compensation expense">0.3</span> million and $<span id="xdx_90A_eus-gaap--ShareBasedCompensation_pn5n6_c20220801__20221031_zlLFYdQaGb38" title="Share-based compensation expense">0.3</span> million, respectively. The Company’s policy is to account for forfeitures of share-based compensation as they occur.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 700000 600000 300000 300000 <p id="xdx_844_eus-gaap--RevenueFromContractWithCustomerPolicyTextBlock_zxKUbqUMVlNk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(k) <span id="xdx_869_z1y04O6LMX6d">Revenue Recognition</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company accounts for revenue in accordance with Accounting Standards Codification 606 (ASC 606) for contracts with customers and Accounting Standards Codification 842 (ASC 842) for leasing arrangements. In relation to ASC 606, which states that 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 as 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 performance obligation 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. When no observable standalone selling price is available, the standalone selling price is generally estimated based upon 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 0pt 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 0pt 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, 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 October 31, 2023 or 2022. The Company presents shipping and handling costs, that occur after control of the promised goods or services transfer to the customer, as fulfillment costs in costs of goods sold and regular shipping and handling activities charged to operating expenses.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 0pt 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 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 or labor hours incurred 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, 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 projections 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. During the six-month period ended October 31, 2023 the Company recognized approximately $<span id="xdx_905_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pn5n6_c20230501__20231031__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredAtPointInTimeMember_zYO78jJtE0l5" title="Revenue related to performance obligations satisfied at a point in time">1.2</span> million in revenue related to performance obligations satisfied at a point in time and approximately $<span id="xdx_901_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pn5n6_c20230501__20231031__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredOverTimeMember_zEHKCNztDpte" title="Revenue related to performance obligations satisfied over-time">0.9</span> million in revenue related to performance obligations satisfied over time. During the three-month period ended October 31, 2023, the Company recognized approximately $<span id="xdx_90A_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pn5n6_c20230801__20231031__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredAtPointInTimeMember_zBL1Lipp8KKh" title="Revenue related to performance obligations satisfied at a point in time">0.5</span> million in revenue related to performance obligation satisfied at a point in time and approximately $<span id="xdx_906_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pn5n6_c20230801__20231031__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredOverTimeMember_zAto7wWnEeH7" title="Revenue related to performance obligations satisfied over-time">0.4</span> million in revenue related to performance obligations satisfied over time.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 contracts, fixed-price contracts, time and material agreements, lease or service agreements. Under cost plus contracts, customers are billed for actual expenses incurred plus an agreed-upon fee.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 revenue, 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 six-month periods ended October 31, 2023 and 2022, the majority of the Company’s contracts were classified as firm fixed-price and the remainder were cost-sharing.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company’s contract assets and liabilities primarily relate to the timing differences between cash received from a customer in connection with contractual rights to invoicing and the timing of revenue recognition following completion of performance obligations. The Company’s accounts receivable balance is made up entirely of customer contract related balances.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company’s revenue also includes revenue from certain contracts which do not fall within the scope of ASC 606, but under the scope of ASC 842. At inception of a contract for those classified under ASC 842, the Company classifies leases as either operating or financing in accordance with the authoritative accounting guidance contained within ASC Topic 842, “Leases”. If the direct financing or sales-type classification criteria are met, then the lease is accounted for as a finance lease. All others are treated as operating leases. The Company recognizes revenue from operating lease arrangements generally on a straight-line basis over the lease term, or as agreed upon in-use days are utilized, which is presented in Revenue in the Consolidated Statement of Operations. The Company also enters into lease arrangements for its PowerBuoys® and 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 PowerBuoy®, WAM-V®, and components, while non-lease elements, which the Company expects to become more prevalent, generally include engineering, monitoring and support services. In the lease arrangement, the customer may be provided with an option to extend the lease term or purchase the leased buoy or WAM-V® 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 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As of October 31, 2023, the Company’s total remaining performance obligations, also referred to as backlog, totaled $<span id="xdx_90E_eus-gaap--RevenueRemainingPerformanceObligation_iI_pn5n6_c20231031_zapmI76v3ZQk" title="Revenue remaining performance obligation">4.5</span> million. The Company expects to recognize approximately <span id="xdx_90C_ecustom--RevenueRemainingPerformancesObligationPercentage_pid_dp_uPure_c20230501__20231031_z5CaLcWQ7LE5" title="Expects to recognize revenue remaining performance obligation, percentage">70</span>%, or $<span id="xdx_90A_ecustom--ExpectsToRecognizeRevenueRemainingPerformanceObligation_iI_pn5n6_c20231031_zU6yd32k37fa" title="Expects to recognize revenue remaining performance obligation">3.2</span> million, 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 0pt 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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"> </p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Existing customers are subject to ongoing credit evaluations based on payment history and other factors. If it is determined that collectability of any portion of the contract value is not probable, an analysis of variable consideration will be performed using either the most likely amount or expected value method to determine the amount of revenue that must be constrained until the scenario causing the variability has been resolved.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company has elected to record taxes collected from customers on a net basis and does not include tax amounts in revenue or costs of revenue.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_890_eus-gaap--DisaggregationOfRevenueTableTextBlock_zlw32XUUutkg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The below table represents the total revenue recognized under ASC 606 and ASC 842 for the three and six months ended October 31, 2023 and 2022.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8B6_zBDGT7hzBtJe" style="display: none">Schedule of Revenue Recognizes From Operating Lease Arrangements</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended October 31, 2023</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended </span>October 31, 2022</p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Product Line:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="width: 28%"><span style="font-family: Times New Roman, Times, Serif">WAM-V</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zJH7GtaqRZog" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">540</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_zKqq9DsLP1ga" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__custom--WAMVMember_zAs2nQskfli5" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,049</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zX6BDWyG1Sxc" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">420</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_zdXp8U3NoPv7" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__custom--WAMVMember_zxeq4vw0xTr5" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">435</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Buoy</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_z8V3A2EoQ94j" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">630</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zMooRQsoHQl3" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0835">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__custom--BuoyMember_zluImiZFNRZj" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">630</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_zmSzn4ZWohC8" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">50</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zd1cwnNI4Ccf" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0841">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__custom--BuoyMember_zLgAg9oIeI14" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">50</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zX90Z8vrRUS6" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">482</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zsPThH3e8pfe" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0847">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_ztKZIWXNVzr9" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">482</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zdjMNLrJFBeb" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">532</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zqzP4QukiS17" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0853">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_z0ctW3g9bMXk" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">532</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZ2pM1rkcwb3" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,652</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZ93qRrbmh0f" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__us-gaap--ProductMember_zex1sV3W9rOb" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">2,161</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zyK93QDakRj5" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,002</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zQ2sc8F65kf7" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__us-gaap--ProductMember_zkRAWydVBHRb" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,017</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Region:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">North and South America</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zKn76ucGeQbl" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,652</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zZCeVCOQsyb9" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zTNmf116b4Yf" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">2,161</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zzdvUUFOzss6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">770</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_z3BFHEcvkw3k" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zWNxTwaRijLc" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">785</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Asia and Australia</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zlfRYcSfccgh" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0881">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z3NqlX8kCqW6" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0883">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zcvpPxLe4Ty3" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0885">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z8Ikqo4bUwme" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">232</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_znkNZAvw1lzb" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0889">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zaLdnX42x26l" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">232</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_zWvGllcyrA53" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,652</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zEZBQ5yz9Y53" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--StatementGeographicalAxis__custom--RegionMember_zJp6wsKRLE92" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">2,161</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_z1dvM4f3IIQk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,002</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zzfLejhBgftf" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--StatementGeographicalAxis__custom--RegionMember_zK7ZjGb4IYOk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,017</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Three months ended October 31, 2023</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Three months ended </span>October 31, 2022</p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Product Line:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="width: 28%"><span style="font-family: Times New Roman, Times, Serif">WAM-V</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zAVQMYFqgG7f" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">81</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_z9kYofG58DD2" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__custom--WAMVMember_z3CwKhda2WTl" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">347</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zmMeyiQTcTbe" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">98</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_zy2g3uBVEBV9" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0913">—</span></span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__custom--WAMVMember_z2apogdQppth" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">98</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Buoy</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_zLD5d9dl9fUl" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">380</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zumsRjTsfjn6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0919">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__custom--BuoyMember_zAovoSD3N3zg" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">380</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_zIkirj5LJHS2" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">38</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zyCYJVwGX5Xb" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0925">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__custom--BuoyMember_zmWW2X0sRZoc" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">38</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_ziRr4esTLy6k" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">162</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zV7VuKm3YAwg" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0931">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zjMVcCnd3f5j" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">162</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zDMJDcidmJud" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">167</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zQFYP05nd9la" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0937">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zZhyDWZixLKk" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">167</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_ze1IeywNeM38" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">623</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZCKNIsY9Llj" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__us-gaap--ProductMember_zPGUfByyf2rl" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">889</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zzLe4eltxxu6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zCh2XKQBtGh6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0949">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__us-gaap--ProductMember_z0kVbHbsqu4d" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Region:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">North and South America</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zyLmJ3GrPgC9" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">623</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_z4wNJ9GTftd1" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zrhToACBxPmk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">889</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zi9AwrGTB8J3" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">249</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zR80CF8wEPkj" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0961">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_z0NvUkuNNbge" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">249</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Asia and Australia</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z7FNZnyM8omk" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0965">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zTe7Urbxb58f" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0967">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zAJeLqHip1ie" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0969">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z8a1aIYLnSZ5" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">54</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zkTJmec9Sbii" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0973">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zRGUBx16KhN9" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">54</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_zzhh92FsFste" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">623</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zcgNDSEELLwk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--StatementGeographicalAxis__custom--RegionMember_zkP8u1dJoKZa" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">889</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_zuzxTt895zGi" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zhXHtNoBLQDg" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0985">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--StatementGeographicalAxis__custom--RegionMember_zOHfEOtTr5z2" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A0_zVuAGmvizw6d" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i> </i></b></span></p> 1200000 900000 500000 400000 4500000 0.70 3200000 <p id="xdx_890_eus-gaap--DisaggregationOfRevenueTableTextBlock_zlw32XUUutkg" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The below table represents the total revenue recognized under ASC 606 and ASC 842 for the three and six months ended October 31, 2023 and 2022.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8B6_zBDGT7hzBtJe" style="display: none">Schedule of Revenue Recognizes From Operating Lease Arrangements</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended October 31, 2023</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended </span>October 31, 2022</p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Product Line:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="width: 28%"><span style="font-family: Times New Roman, Times, Serif">WAM-V</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zJH7GtaqRZog" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">540</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_zKqq9DsLP1ga" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__custom--WAMVMember_zAs2nQskfli5" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,049</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zX6BDWyG1Sxc" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">420</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_zdXp8U3NoPv7" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__custom--WAMVMember_zxeq4vw0xTr5" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">435</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Buoy</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_z8V3A2EoQ94j" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">630</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zMooRQsoHQl3" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0835">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__custom--BuoyMember_zluImiZFNRZj" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">630</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_zmSzn4ZWohC8" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">50</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zd1cwnNI4Ccf" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0841">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__custom--BuoyMember_zLgAg9oIeI14" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">50</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zX90Z8vrRUS6" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">482</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zsPThH3e8pfe" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0847">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_ztKZIWXNVzr9" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">482</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zdjMNLrJFBeb" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">532</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zqzP4QukiS17" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0853">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_z0ctW3g9bMXk" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">532</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZ2pM1rkcwb3" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,652</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZ93qRrbmh0f" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--ProductOrServiceAxis__us-gaap--ProductMember_zex1sV3W9rOb" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">2,161</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zyK93QDakRj5" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,002</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zQ2sc8F65kf7" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--ProductOrServiceAxis__us-gaap--ProductMember_zkRAWydVBHRb" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,017</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Region:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">North and South America</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zKn76ucGeQbl" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,652</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zZCeVCOQsyb9" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zTNmf116b4Yf" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">2,161</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zzdvUUFOzss6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">770</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_z3BFHEcvkw3k" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zWNxTwaRijLc" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">785</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Asia and Australia</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zlfRYcSfccgh" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0881">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z3NqlX8kCqW6" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0883">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zcvpPxLe4Ty3" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0885">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z8Ikqo4bUwme" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">232</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_znkNZAvw1lzb" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0889">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zaLdnX42x26l" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">232</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_zWvGllcyrA53" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,652</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230501__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zEZBQ5yz9Y53" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">509</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20230501__20231031__srt--StatementGeographicalAxis__custom--RegionMember_zJp6wsKRLE92" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">2,161</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_z1dvM4f3IIQk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,002</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20220501__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zzfLejhBgftf" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220501__20221031__srt--StatementGeographicalAxis__custom--RegionMember_zK7ZjGb4IYOk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">1,017</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Three months ended October 31, 2023</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Three months ended </span>October 31, 2022</p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 606</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">ASC 842</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Product Line:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="width: 28%"><span style="font-family: Times New Roman, Times, Serif">WAM-V</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zAVQMYFqgG7f" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">81</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_z9kYofG58DD2" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__custom--WAMVMember_z3CwKhda2WTl" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">347</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--WAMVMember_zmMeyiQTcTbe" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">98</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--WAMVMember_zy2g3uBVEBV9" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0913">—</span></span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__custom--WAMVMember_z2apogdQppth" style="width: 8%; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">98</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Buoy</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_zLD5d9dl9fUl" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">380</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zumsRjTsfjn6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0919">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__custom--BuoyMember_zAovoSD3N3zg" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">380</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__custom--BuoyMember_zIkirj5LJHS2" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">38</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__custom--BuoyMember_zyCYJVwGX5Xb" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0925">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__custom--BuoyMember_zmWW2X0sRZoc" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">38</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Services</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_ziRr4esTLy6k" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">162</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zV7VuKm3YAwg" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0931">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zjMVcCnd3f5j" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">162</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zDMJDcidmJud" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">167</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zQFYP05nd9la" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0937">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zZhyDWZixLKk" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">167</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_ze1IeywNeM38" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">623</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZCKNIsY9Llj" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--ProductOrServiceAxis__us-gaap--ProductMember_zPGUfByyf2rl" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">889</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zzLe4eltxxu6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--ProductOrServiceAxis__us-gaap--ProductMember_zCh2XKQBtGh6" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0949">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--ProductOrServiceAxis__us-gaap--ProductMember_z0kVbHbsqu4d" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Region:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">North and South America</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zyLmJ3GrPgC9" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">623</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_z4wNJ9GTftd1" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zrhToACBxPmk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">889</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zi9AwrGTB8J3" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">249</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_zR80CF8wEPkj" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0961">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_986_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--StatementGeographicalAxis__custom--NorthAndSouthAmericaMember_z0NvUkuNNbge" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">249</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Asia and Australia</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z7FNZnyM8omk" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0965">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zTe7Urbxb58f" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0967">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_983_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zAJeLqHip1ie" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0969">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_z8a1aIYLnSZ5" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">54</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zkTJmec9Sbii" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0973">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--StatementGeographicalAxis__custom--AsiaAndAustraliaMember_zRGUBx16KhN9" style="border-bottom: Black 1.5pt solid; text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">54</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_zzhh92FsFste" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">623</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20230801__20231031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zcgNDSEELLwk" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">266</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20230801__20231031__srt--StatementGeographicalAxis__custom--RegionMember_zkP8u1dJoKZa" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">889</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-left: Black 1.5pt solid"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201409Member__srt--StatementGeographicalAxis__custom--RegionMember_zuzxTt895zGi" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20220801__20221031__us-gaap--AdjustmentsForNewAccountingPronouncementsAxis__us-gaap--AccountingStandardsUpdate201602Member__srt--StatementGeographicalAxis__custom--RegionMember_zhXHtNoBLQDg" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl0985">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_pn3n3_c20220801__20221031__srt--StatementGeographicalAxis__custom--RegionMember_zOHfEOtTr5z2" style="text-align: right" title="Revenue"><span style="font-family: Times New Roman, Times, Serif">303</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 540000 509000 1049000 420000 15000 435000 630000 630000 50000 50000 482000 482000 532000 532000 1652000 509000 2161000 1002000 15000 1017000 1652000 509000 2161000 770000 15000 785000 232000 232000 1652000 509000 2161000 1002000 15000 1017000 81000 266000 347000 98000 98000 380000 380000 38000 38000 162000 162000 167000 167000 623000 266000 889000 303000 303000 623000 266000 889000 249000 249000 54000 54000 623000 266000 889000 303000 303000 <p id="xdx_846_eus-gaap--EarningsPerSharePolicyTextBlock_zkl1OdJKI50l" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(l) <span id="xdx_86F_zhTD0F6cnPy8">Net Loss per Common Share</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Basic and diluted net loss per 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 period. 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 units (“RSU”) issued to employees and non-employee directors, were excluded from the diluted loss per share calculation due to their anti-dilutive effect.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">In computing diluted net loss per share on the Consolidated Statement of Operations, warrants on common stock, options to purchase shares of common stock and unvested RSUs issued to employees and non-employee directors, totaling <span id="xdx_903_eus-gaap--AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c20230501__20231031_zpm94ey6Qmu8" title="Antidilutive securities excluded from computation of earnings per share, amount">7,294,852</span> and <span id="xdx_906_eus-gaap--AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_c20220501__20221031_zhYkaPrOT4Cg" title="Antidilutive securities excluded from computation of earnings per share, amount">6,242,465</span> as of October 31, 2023 and 2022, respectively, were excluded from each of the computations as the effect would have been anti-dilutive due to the net loss for the period. Share purchase rights, which include a contingency, are not included in the calculation until the contingency is resolved.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"> </p> 7294852 6242465 <p id="xdx_847_eus-gaap--GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_zKgrRUy72rw7" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(m) <span id="xdx_86E_zM8nYGgXRrE6">Intangibles</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible assets acquired in a business combination are recognized separately from goodwill and are initially recognized at their fair value at the acquisition date (which is regarded as their cost). Intangible assets, including patents, are amortized over the estimated useful life of the asset on a basis that approximates the pattern of economic benefit. The patents, trade name and customer relationship intangibles are being amortized over <span id="xdx_90E_eus-gaap--FiniteLivedIntangibleAssetUsefulLife_iI_dtY_c20231031__us-gaap--IndefiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--PatentsMember_z6acWGZpLy4g" title="Intangible asset estimated lives">20</span>, <span id="xdx_905_eus-gaap--FiniteLivedIntangibleAssetUsefulLife_iI_dtY_c20231031__us-gaap--IndefiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--TradeNamesMember_zOJVStE4bAK1" title="Intangible asset estimated lives">12</span> and <span id="xdx_90F_eus-gaap--FiniteLivedIntangibleAssetUsefulLife_iI_dtY_c20231031__us-gaap--IndefiniteLivedIntangibleAssetsByMajorClassAxis__us-gaap--CustomerRelationshipsMember_zMFd2QwM1hM5" title="Intangible asset estimated lives">10</span> years respectively, which is consistent with the estimated pattern of economic benefit of the assets. The trademark is not subject to amortization.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible assets are reviewed for impairment if indicators of potential impairment exist. There were no indications of potential impairment of intangible assets for the six months ended October 31, 2023 and 2022.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> P20Y P12Y P10Y <p id="xdx_84A_eus-gaap--GoodwillAndIntangibleAssetsGoodwillPolicy_zARKz2LoxkHc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(n) <span id="xdx_868_z2e36DO3ojG9">Goodwill</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Goodwill is assessed for impairment using a qualitative or quantitative approach. The Company performs an annual impairment test of goodwill and further periodic tests to the extent indicators of impairment develop between annual impairment tests. There were no indications of potential impairment of goodwill identified for the six months ended October 31, 2023 and 2022.Where the Company use a qualitative analysis, it considers factors that include historical financial performance, macroeconomic and industry conditions, and the legal and regulatory environment. If the qualitative assessment indicates that it is more likely than not that an impairment exists, then a quantitative assessment is also performed. The quantitative assessment requires an analysis of several estimates including future cash flows or income consistent with management’s strategic business plans, annual sales growth rates and the selection of assumptions underlying a discount rate (weighted average cost of capital) based on market data available at the time to determine fair value of the Company. If the fair value is less than the carrying amounts, an impairment charge for the difference is recorded. The Company acquired goodwill as part of its purchase of MAR. Management performed its annual qualitative assessment in fiscal year 2023 and determined that it is more likely than not that no goodwill impairment existed as of April 30, 2023.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_843_eus-gaap--IncomeTaxPolicyTextBlock_zx6xt4bD8Nxd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(o)<span id="xdx_865_zPlZfeYZG7q6"> Income Taxes</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Income taxes are accounted for under ACS 740 utilizing the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carry forwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences and operating loss and tax credit carry forwards are expected to be recovered, settled or utilized. In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some portion or all the deferred tax assets will not be realized. If such event occurs, a valuation allowance is recorded. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company recognizes the effect of income tax positions only if those positions are more likely than not of being sustained upon examination. Recognized income tax positions are measured at the largest amount that is greater than 50% likely of being realized. Changes in recognition or measurement are reflected in the period in which the change in judgment occurs. The Company records interest related to unrecognized tax benefits in interest expense and penalties in selling, general, and administrative expenses, to the extent incurred. Refer to Note 15 for additional disclosure.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 0pt 0pt 0; text-align: justify"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_843_ecustom--AccumulatedOtherComprehensiveLossPolicyTextBlock_zfWR1pWHZON1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(p) <span id="xdx_86F_zAFoSfejST3k">Accumulated Other Comprehensive Loss</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The functional currency for the Company’s foreign operations is the applicable local currency. The translation from the applicable foreign currencies to U.S. dollars is performed for balance sheet accounts using the exchange rates in effect at the balance sheet date and for revenue and expense accounts using an average exchange rate during the period. The unrealized gains or losses resulting from such translation are included in Accumulated Other Comprehensive Loss within Shareholders’ Equity. For the six months ended October 31, 2023 and 2022, there were no amounts recorded to other comprehensive (income) loss due to limited foreign operations.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_847_ecustom--WarrantyPolicyTextBlock_zGHjw8aqf6S1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(q) <span id="xdx_86C_zNGFpWabU669">Warranty</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company does not include a right of return on its products other than rights related to standard warranty provisions that permit repair or replacement of defective goods.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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--ResearchAndDevelopmentExpensePolicy_z0JYyyuB84yd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(r) <span id="xdx_869_zKNBv62y61Gk">Research and Development</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Costs related to research and development activities by the Company are expensed as incurred. The Company had approximately $<span id="xdx_904_eus-gaap--ResearchAndDevelopmentExpense_pn5n6_c20230501__20231031_zoqlvP3L6qS8" title="Product development expense">4.0</span> million and $<span id="xdx_900_eus-gaap--ResearchAndDevelopmentExpense_pn5n6_c20220501__20221031_zqZJ2FqYr06" title="Product development expense">4.7</span> million in product development expense for the six months ended October 31, 2023 and 2022, respectively. The Company had approximately $<span id="xdx_90D_eus-gaap--ResearchAndDevelopmentExpense_pn5n6_c20230801__20231031_zsTVg1VMjvGk" title="Product development expense">2.1</span> million and $<span id="xdx_900_eus-gaap--ResearchAndDevelopmentExpense_pn5n6_c20220801__20221031_z1BtKaymirp6" title="Product development expense">2.3</span> million in product development expense for the three months ended October 31, 2023 and 2022, respectively.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 4000000.0 4700000 2100000 2300000 <p id="xdx_845_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zjY3BG2VR2Wf" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><i>(s) <span id="xdx_865_zdLvDVtMGCFh">Recently Issued Accounting Standards</span></i></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">There have been no recently issued accounting standards in the current period that would significantly affect the Company’s financial statements, that have not been address in prior periods.</span></p> <p id="xdx_809_ecustom--AccountReceivableContractAssetsAndContractLiabilitiesTextBlock_zj8TQZLazrKb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(3) <span id="xdx_826_zhek1eH6i8yk">Accounts Receivable, Contract Assets and Contract Liabilities</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_899_ecustom--ScheduleOfAccountsReceivableContractAssetsAndContractLiabilitiesTableTextBlock_zJnuwLSpSytj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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, contract assets and contract liabilities from contracts with customers:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8B9_zwGNsHNyQm67" 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="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_494_20231031_z0LXxTwR4QI8" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_497_20230430_zoZlQoCWKsS" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_499_20220430_zHrM8FLRmnBi" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2022</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_405_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3_zCHDaZpTamxi" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 46%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accounts receivable</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">516</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">745</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">482</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_408_eus-gaap--ContractWithCustomerAssetNetCurrent_iI_pn3n3_zoJiSGd2yyj" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Contract assets</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">326</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">152</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">386</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_eus-gaap--ContractWithCustomerLiabilityCurrent_iI_pn3n3_zcPs6D7FPiWb" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Contract liabilities</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,164</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,378</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">129</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8AA_zaf8NDMRifJc" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><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 0pt 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 0pt 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 conditional on completing additional tasks or services for a performance obligation. The increase in contract assets is primarily a result of consulting services projects for which revenue was recognized in the current period but has not yet been billed due to the terms of the project agreements. No impairments to contract assets were incurred during the six months ended October 31, 2023 and 2022.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_895_ecustom--ContractWithCustomerAssetTableTextBlock_zhZVFXsOcH83" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Significant changes in the contract assets balances during the period were as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8B8_zkRGkgBuPijb" style="display: none">Schedule of Significant Changes in Contract Assets</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49F_20230501__20231031_zSPwYjGHkcW5" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended</span></p> <p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49E_20220501__20221031_znfDuU8sP3xi" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended</span></p> <p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">October 31, 2022</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="border-bottom: Black 1.5pt solid; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_406_ecustom--TransferredToReceivablesFromContractAssetsRecognized_iNI_pn3n3_di_msIDICWzZOT_zLDNdl9IzRt4" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Transferred to receivables from contract assets recognized</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(745</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(132</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> <tr id="xdx_406_ecustom--RevenueRecognizedAndNotBilled_pn3n3_maIDICWzZOT_zzXNY2ywUoCe" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Revenue recognized and not billed</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">919</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">47</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--IncreaseDecreaseInContractWithCustomerAsset_iT_pn3n3_mtIDICWzZOT_zb1F29lEBwuh" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Net change in contract assets</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">174</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(85</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> </table> <p id="xdx_8A3_zdCAUbEyF107" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Contract Liabilities</i></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Contract liabilities consist of amounts invoiced to customers in excess of revenue recognized. The decrease in contract liabilities is primarily due to recognizing revenue on the DOE Phase II contract for which the Company was paid in prior periods.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_892_ecustom--ContractWithCustomerLiabilitiesTableTextBlock_z26ggvLJMZ5e" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Significant changes in the contract liabilities balances during the period are as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span><span id="xdx_8B2_z2zeibPHVDn6" style="display: none">Schedule of Significant Changes in Contract Liabilities</span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49A_20230501__20231031_zjy8fodlVr5c" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended</span></p> <p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_492_20220501__20221031_zBU7Fapgipqb" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended</span></p> <p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">October 31, 2022</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_403_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_iN_pn3n3_di_msIDICWz3fD_zGlogUew4dq6" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Revenue recognized</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(762</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(129</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> <tr id="xdx_40E_ecustom--PaymentsCollectedForWhichRevenueHasNotBeenRecognized_pn3n3_maIDICWz3fD_zpBjT6WNWMMd" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Payments collected for which revenue has not been recognized</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">548</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,462</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_404_eus-gaap--IncreaseDecreaseInContractWithCustomerLiability_iT_pn3n3_mtIDICWz3fD_zf4vnpf0fTUj" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Net change in contract liabilities</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(214</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,333</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A4_z52t475Mdxlj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"></p> <p id="xdx_899_ecustom--ScheduleOfAccountsReceivableContractAssetsAndContractLiabilitiesTableTextBlock_zJnuwLSpSytj" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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, contract assets and contract liabilities from contracts with customers:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8B9_zwGNsHNyQm67" 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="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_494_20231031_z0LXxTwR4QI8" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_497_20230430_zoZlQoCWKsS" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_499_20220430_zHrM8FLRmnBi" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2022</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="10" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_405_eus-gaap--AccountsReceivableNetCurrent_iI_pn3n3_zCHDaZpTamxi" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 46%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accounts receivable</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">516</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">745</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 14%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">482</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_408_eus-gaap--ContractWithCustomerAssetNetCurrent_iI_pn3n3_zoJiSGd2yyj" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Contract assets</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">326</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">152</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">386</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_eus-gaap--ContractWithCustomerLiabilityCurrent_iI_pn3n3_zcPs6D7FPiWb" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Contract liabilities</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,164</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,378</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">129</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 516000 745000 482000 326000 152000 386000 1164000 1378000 129000 <p id="xdx_895_ecustom--ContractWithCustomerAssetTableTextBlock_zhZVFXsOcH83" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Significant changes in the contract assets balances during the period were as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8B8_zkRGkgBuPijb" style="display: none">Schedule of Significant Changes in Contract Assets</span></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49F_20230501__20231031_zSPwYjGHkcW5" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended</span></p> <p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49E_20220501__20221031_znfDuU8sP3xi" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended</span></p> <p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">October 31, 2022</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="border-bottom: Black 1.5pt solid; text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_406_ecustom--TransferredToReceivablesFromContractAssetsRecognized_iNI_pn3n3_di_msIDICWzZOT_zLDNdl9IzRt4" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Transferred to receivables from contract assets recognized</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(745</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(132</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> <tr id="xdx_406_ecustom--RevenueRecognizedAndNotBilled_pn3n3_maIDICWzZOT_zzXNY2ywUoCe" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Revenue recognized and not billed</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">919</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">47</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--IncreaseDecreaseInContractWithCustomerAsset_iT_pn3n3_mtIDICWzZOT_zb1F29lEBwuh" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Net change in contract assets</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">174</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(85</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> </table> 745000 132000 919000 47000 174000 -85000 <p id="xdx_892_ecustom--ContractWithCustomerLiabilitiesTableTextBlock_z26ggvLJMZ5e" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Significant changes in the contract liabilities balances during the period are as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span><span id="xdx_8B2_z2zeibPHVDn6" style="display: none">Schedule of Significant Changes in Contract Liabilities</span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49A_20230501__20231031_zjy8fodlVr5c" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended</span></p> <p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_492_20220501__20221031_zBU7Fapgipqb" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">Six months ended</span></p> <p style="margin-top: 0; margin-bottom: 0"><span style="font-family: Times New Roman, Times, Serif">October 31, 2022</span></p></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_403_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_iN_pn3n3_di_msIDICWz3fD_zGlogUew4dq6" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Revenue recognized</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(762</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(129</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> <tr id="xdx_40E_ecustom--PaymentsCollectedForWhichRevenueHasNotBeenRecognized_pn3n3_maIDICWz3fD_zpBjT6WNWMMd" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Payments collected for which revenue has not been recognized</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">548</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,462</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_404_eus-gaap--IncreaseDecreaseInContractWithCustomerLiability_iT_pn3n3_mtIDICWz3fD_zf4vnpf0fTUj" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Net change in contract liabilities</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(214</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,333</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 762000 129000 548000 1462000 -214000 1333000 <p id="xdx_804_eus-gaap--InventoryDisclosureTextBlock_zpuexThnihE6" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(4) <span id="xdx_828_zdEf3flU4Mif">Inventory</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p id="xdx_899_eus-gaap--ScheduleOfInventoryCurrentTableTextBlock_zXz3SnyQHsC9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company holds inventory related to the production of its WAM-V® and PowerBuoy® products.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span><span id="xdx_8B8_zoZuKJ21z2T7" style="display: none">Schedule of Inventory</span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49F_20231031_zsB0JGpFBk99" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_497_20230430_zahqx3EUfeAl" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--InventoryRawMaterials_iI_pn3n3_maINzERb_z0LiQZZ4sOKf" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Raw Materials</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,812</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,044</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_404_eus-gaap--InventoryWorkInProcess_iI_pn3n3_maINzERb_zpDKMXSVUcRi" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Work in Process</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">723</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1069">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_406_eus-gaap--InventoryFinishedGoods_iI_pn3n3_maINzERb_z653cfK8QdSg" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Finished Products</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1072">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_409_eus-gaap--InventoryNet_iTI_pn3n3_mtINzERb_zn6MaRdzbFV9" style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Inventory, net </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,546</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,044</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A0_zpqbpgu9NLec" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p id="xdx_899_eus-gaap--ScheduleOfInventoryCurrentTableTextBlock_zXz3SnyQHsC9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company holds inventory related to the production of its WAM-V® and PowerBuoy® products.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"></span><span id="xdx_8B8_zoZuKJ21z2T7" style="display: none">Schedule of Inventory</span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49F_20231031_zsB0JGpFBk99" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_497_20230430_zahqx3EUfeAl" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--InventoryRawMaterials_iI_pn3n3_maINzERb_z0LiQZZ4sOKf" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Raw Materials</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,812</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,044</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_404_eus-gaap--InventoryWorkInProcess_iI_pn3n3_maINzERb_zpDKMXSVUcRi" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Work in Process</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">723</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1069">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_406_eus-gaap--InventoryFinishedGoods_iI_pn3n3_maINzERb_z653cfK8QdSg" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Finished Products</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1072">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_409_eus-gaap--InventoryNet_iTI_pn3n3_mtINzERb_zn6MaRdzbFV9" style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Inventory, net </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,546</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,044</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 1812000 1044000 723000 11000 2546000 1044000 <p id="xdx_800_eus-gaap--OtherCurrentAssetsTextBlock_zs4uq4E3zhP9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(5) <span id="xdx_821_z2T8MkSvzc1c">Other Current Assets</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p id="xdx_89F_eus-gaap--ScheduleOfOtherCurrentAssetsTableTextBlock_zIDnISbZ6wG7" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 October 31, 2023 and April 30, 2023:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8BB_z1LQYgmZpBSj" 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="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_497_20231031_zicJ8zCMNiu9" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_491_20230430_zabe3JI1Hvol" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--PrepaidInsurance_iI_pn3n3_maOACzrwz_z92XqILjGoU4" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Prepaid insurance</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">559</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">358</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40F_ecustom--PrepaidSoftwareAndLicenses_pn3n3_maOACzrwz_zLGysegunHUa" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Prepaid software &amp; licenses</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">108</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">190</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_ecustom--PrepaidSalesAndMarketing_iI_pn3n3_maOACzrwz_zVAoPMTBfAhc" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Prepaid sales &amp; marketing</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">99</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">122</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40B_ecustom--PrepaidProjectCosts_iI_pn3n3_maOACzrwz_zE3CFINTm6Sb" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Prepaid project costs</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">427</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">46</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_404_eus-gaap--OtherPrepaidExpenseCurrent_iI_pn3n3_maOACzrwz_zORb3gQQFCr5" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Prepaid expenses- other</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">312</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">278</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_401_eus-gaap--OtherAssetsCurrent_iTI_pn3n3_mtOACzrwz_z8HTJvyK4Uq7" style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Total other current assets</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,505</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">994</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A3_zg3WQ4K8FwW9" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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--ScheduleOfOtherCurrentAssetsTableTextBlock_zIDnISbZ6wG7" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 October 31, 2023 and April 30, 2023:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_8BB_z1LQYgmZpBSj" 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="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_497_20231031_zicJ8zCMNiu9" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_491_20230430_zabe3JI1Hvol" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--PrepaidInsurance_iI_pn3n3_maOACzrwz_z92XqILjGoU4" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Prepaid insurance</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">559</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">358</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40F_ecustom--PrepaidSoftwareAndLicenses_pn3n3_maOACzrwz_zLGysegunHUa" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Prepaid software &amp; licenses</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">108</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">190</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_ecustom--PrepaidSalesAndMarketing_iI_pn3n3_maOACzrwz_zVAoPMTBfAhc" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Prepaid sales &amp; marketing</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">99</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">122</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40B_ecustom--PrepaidProjectCosts_iI_pn3n3_maOACzrwz_zE3CFINTm6Sb" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Prepaid project costs</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">427</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">46</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_404_eus-gaap--OtherPrepaidExpenseCurrent_iI_pn3n3_maOACzrwz_zORb3gQQFCr5" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Prepaid expenses- other</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">312</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">278</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_401_eus-gaap--OtherAssetsCurrent_iTI_pn3n3_mtOACzrwz_z8HTJvyK4Uq7" style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Total other current assets</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,505</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">994</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 559000 358000 108000 190000 99000 122000 427000 46000 312000 278000 1505000 994000 <p id="xdx_809_eus-gaap--PropertyPlantAndEquipmentDisclosureTextBlock_zutgpp14Ahu5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(6) <span id="xdx_822_zWQxMQppn8G7">Property and Equipment, net</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89A_eus-gaap--PropertyPlantAndEquipmentTextBlock_z49ZeCcAsuK1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 October 31, 2023 and April 30, 2023 consisted of the following:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">  <span id="xdx_8B2_zw7RzStTQicf" 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="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_496_20231031_zgSVhO7jyff" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_498_20230430_zin9t6eURSg5" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--EquipmentMember_zCr3PzXCEKkg" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%"><span style="font-family: Times New Roman, Times, Serif">Equipment</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,040</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">783</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerEquipmentAndSoftwareMember_zsHWwbSXf4E8" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Computer equipment &amp; software</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">728</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">700</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_404_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember_zAfpKctscHYc" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Office furniture &amp; equipment</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">422</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">386</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_400_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zprHcRHLfRsl" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Leasehold improvements</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">628</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">611</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_408_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--LeasedWAMVsMember_zG1skf4KCSti" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Leased WAM-V’s</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">620</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">371</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40C_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--LeasedBuoysMember_zTHLBxgEw1bf" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Leased Buoys</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">111</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1119">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_407_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_maPPAENzI8F_zNqVxGKZ1rji" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Property and equipment, gross</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,549</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,851</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_401_eus-gaap--AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_iNI_pn3n3_di_msPPAENzI8F_z7rS8w9WYFvg" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Less: accumulated depreciation</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(1,743</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(1,571</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> <tr id="xdx_406_eus-gaap--PropertyPlantAndEquipmentNet_iTI_pn3n3_mtPPAENzI8F_zvwPA8WPR0De" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="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="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,806</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,280</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A2_zaSltuXq1s7l" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Leased WAM-V’s represent fixed assets that are part of underlying operating leases with customers as discussed in the revenue recognition section of ASC 842 policy disclosure. Depreciation expense was approximately $<span id="xdx_909_eus-gaap--Depreciation_c20230501__20231031_z9o4oajIAR56">172,000</span> and $<span id="xdx_90D_eus-gaap--Depreciation_c20220501__20221031_zzinLgYLHwY">117,000</span> for the six-month periods ended October 31, 2023 and 2022, respectively. Depreciation expense was approximately $<span id="xdx_905_eus-gaap--Depreciation_c20230801__20231031_zQJuHaQv4Vv4">101,000</span> and $<span id="xdx_90E_eus-gaap--Depreciation_c20220801__20221031_z1jBDz5Arhd9">74,000</span> for the three-month periods ended October 31, 2023 and 2022, respectively.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89A_eus-gaap--PropertyPlantAndEquipmentTextBlock_z49ZeCcAsuK1" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 October 31, 2023 and April 30, 2023 consisted of the following:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">  <span id="xdx_8B2_zw7RzStTQicf" 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="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_496_20231031_zgSVhO7jyff" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_498_20230430_zin9t6eURSg5" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--EquipmentMember_zCr3PzXCEKkg" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%"><span style="font-family: Times New Roman, Times, Serif">Equipment</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,040</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">783</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerEquipmentAndSoftwareMember_zsHWwbSXf4E8" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Computer equipment &amp; software</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">728</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">700</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_404_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--OfficeFurnitureAndEquipmentMember_zAfpKctscHYc" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Office furniture &amp; equipment</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">422</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">386</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_400_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zprHcRHLfRsl" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Leasehold improvements</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">628</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">611</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_408_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--LeasedWAMVsMember_zG1skf4KCSti" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Leased WAM-V’s</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">620</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">371</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40C_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_hus-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--LeasedBuoysMember_zTHLBxgEw1bf" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Leased Buoys</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">111</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1119">—</span></span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_407_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_maPPAENzI8F_zNqVxGKZ1rji" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Property and equipment, gross</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,549</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,851</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_401_eus-gaap--AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_iNI_pn3n3_di_msPPAENzI8F_z7rS8w9WYFvg" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Less: accumulated depreciation</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(1,743</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(1,571</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> <tr id="xdx_406_eus-gaap--PropertyPlantAndEquipmentNet_iTI_pn3n3_mtPPAENzI8F_zvwPA8WPR0De" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="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="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,806</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,280</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 1040000 783000 728000 700000 422000 386000 628000 611000 620000 371000 111000 3549000 2851000 1743000 1571000 1806000 1280000 172000 117000 101000 74000 <p id="xdx_80A_eus-gaap--IntangibleAssetsDisclosureTextBlock_zsvlxKvxFoBl" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(7) <span id="xdx_821_zUAb1zD1HZXc">Intangible Assets</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p id="xdx_89D_eus-gaap--ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_zPyIdZVy9bBh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The components of intangible assets, net as of October 31, 2023 and April 30, 2023 consisted of the following:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>  <span id="xdx_8B4_zcNVZBc0HTnl" style="display: none">Schedule of Components of Intangible Assets</span></b></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_498_20231031_zCVhRfrdLli3" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_498_20230430_zYmbb38oAOqf" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_401_eus-gaap--FiniteLivedPatentsGross_iI_pn3n3_maFLIAGzcoU_zPaZKUK9Iok9" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%"><span style="font-family: Times New Roman, Times, Serif">Patents</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,729</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,729</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_eus-gaap--FiniteLivedTrademarksGross_iI_pn3n3_maFLIAGzcoU_zgTP7c5Vw2Ya" style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif">Trademarks</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,769</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,769</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_409_eus-gaap--FiniteLivedTradeNamesGross_iI_pn3n3_maFLIAGzcoU_z3M0lmzcHhn1" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Tradename</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">130</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">130</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40C_eus-gaap--FiniteLivedCustomerRelationshipsGross_iI_pn3n3_maFLIAGzcoU_zIDrtsN5eQUh" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Customer Relationships</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">150</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">150</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--FiniteLivedIntangibleAssetsGross_iTI_pn3n3_mtFLIAGzcoU_maFLIANzod8_zxjHfyVBYIAc" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible assets, gross</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">5,778</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">5,778</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_iNI_pn3n3_di_msFLIANzod8_z0RSR1pmZRUk" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Accumulated amortization</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(1,880</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(1,800</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> <tr id="xdx_401_eus-gaap--FiniteLivedIntangibleAssetsNet_iTI_pn3n3_mtFLIANzod8_zSyrOV4pYASk" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible assets, net</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,898</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,978</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A0_zNY5lec5G904" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Amortization expense was approximately $<span id="xdx_90B_eus-gaap--AmortizationOfIntangibleAssets_c20230501__20231031_zCewDLJbIPm9" title="Amortization expense">80,000</span> and $<span id="xdx_90E_eus-gaap--AmortizationOfIntangibleAssets_c20220501__20221031_zSZNOkdzyIMe" title="Amortization expense">79,000</span> for the six-month periods ended October 31, 2023 and 2022, respectively. Amortization expense was approximately $<span id="xdx_902_eus-gaap--AmortizationOfIntangibleAssets_c20230801__20231031_zHH7NC4K3iO3" title="Amortization expense">40,000</span> and $<span id="xdx_906_eus-gaap--AmortizationOfIntangibleAssets_c20220801__20221031_zQ0O0JXERygc" title="Amortization expense">40,000</span> for the three-month periods ended October 31, 2023 and 2022, respectively.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89D_eus-gaap--ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_zPyIdZVy9bBh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The components of intangible assets, net as of October 31, 2023 and April 30, 2023 consisted of the following:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>  <span id="xdx_8B4_zcNVZBc0HTnl" style="display: none">Schedule of Components of Intangible Assets</span></b></span></p> <table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_498_20231031_zCVhRfrdLli3" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_498_20230430_zYmbb38oAOqf" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_401_eus-gaap--FiniteLivedPatentsGross_iI_pn3n3_maFLIAGzcoU_zPaZKUK9Iok9" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%"><span style="font-family: Times New Roman, Times, Serif">Patents</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,729</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,729</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_eus-gaap--FiniteLivedTrademarksGross_iI_pn3n3_maFLIAGzcoU_zgTP7c5Vw2Ya" style="vertical-align: bottom; background-color: White"> <td><span style="font-family: Times New Roman, Times, Serif">Trademarks</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,769</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,769</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_409_eus-gaap--FiniteLivedTradeNamesGross_iI_pn3n3_maFLIAGzcoU_z3M0lmzcHhn1" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif">Tradename</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">130</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">130</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40C_eus-gaap--FiniteLivedCustomerRelationshipsGross_iI_pn3n3_maFLIAGzcoU_zIDrtsN5eQUh" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Customer Relationships</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">150</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">150</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--FiniteLivedIntangibleAssetsGross_iTI_pn3n3_mtFLIAGzcoU_maFLIANzod8_zxjHfyVBYIAc" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible assets, gross</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">5,778</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">5,778</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--FiniteLivedIntangibleAssetsAccumulatedAmortization_iNI_pn3n3_di_msFLIANzod8_z0RSR1pmZRUk" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Accumulated amortization</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(1,880</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(1,800</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> <tr id="xdx_401_eus-gaap--FiniteLivedIntangibleAssetsNet_iTI_pn3n3_mtFLIANzod8_zSyrOV4pYASk" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Intangible assets, net</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,898</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">3,978</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 2729000 2729000 2769000 2769000 130000 130000 150000 150000 5778000 5778000 1880000 1800000 3898000 3978000 80000 79000 40000 40000 <p id="xdx_80D_eus-gaap--GoodwillDisclosureTextBlock_zgko7FVgrfzk" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(8) <span id="xdx_825_zKZ4Bh0g6hE8">Goodwill</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Goodwill in the amount of $<span id="xdx_90D_eus-gaap--Goodwill_iI_pn5n6_c20211130__dei--LegalEntityAxis__custom--MarineAdvancedRoboticsIncMember_zWHtAmU1xpl9" title="Goodwill">8.5</span> million was recognized in November 2021 related to the acquisition of MAR. There have been no additions to or any impairment of goodwill during the six-month periods ended October 31, 2023 and 2022.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 8500000 <p id="xdx_802_eus-gaap--LesseeOperatingLeasesTextBlock_zoleOkRLr2l7" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(9) <span id="xdx_826_zshn5fNVmxud">Leases</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As of April 30, 2023 and October 31, 2023, the Company had three and nine WAM-V’s leased to customers which have been classified as operating leases per accounting guidance contained within ASC Topic 842, “Leases”, respectively. The remaining term on these operating leases is less than <span id="xdx_90C_eus-gaap--LesseeOperatingLeaseRenewalTerm_iI_dtY_c20230430_zD6Jnxpbt9Wl" title="Lessee operating lease renewal term">2</span> years.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Right-of-use asset and operating lease liabilities are recognized based on the present value of future 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. The Company’s operating leases consist of leases for office facilities and warehouse space. 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.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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_900_eus-gaap--LesseeOperatingLeaseOptionToExtend_c20230501__20231031__srt--StatementGeographicalAxis__custom--MonroeTownshipMember_zkV3IJ4LeaSk" title="Lessee, operating lease, option to extend">The lease includes an initial lease term of <span id="xdx_909_eus-gaap--LesseeOperatingLeaseTermOfContract_iI_dc_c20231031__srt--StatementGeographicalAxis__custom--MonroeTownshipMember_zQpz1NkM14z2" title="Lessee, operating lease, term of contract">seven years</span> which is set to expire on October 31, 2024, and contains an option to extend the lease for another five years</span>. The lease is classified as an operating lease and is included in right-of-use assets, right-of-use liabilities on the Company’s Consolidated Balance Sheets.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company also has a lease for office space located in Houston, Texas for office space. The lease term is for <span id="xdx_906_eus-gaap--LesseeOperatingLeaseTermOfContract_iI_dtY_c20231031__srt--StatementGeographicalAxis__custom--HoustonTexasMember_zId12AYl0Vy3" title="Lessee, operating lease, term of contract">1</span> year, and <span id="xdx_909_eus-gaap--LesseeOperatingLeaseOptionToExtend_c20230501__20231031__srt--StatementGeographicalAxis__custom--HoustonTexasMember_zZb0EKxTZxLk" title="Lessee, operating lease, option to extend">expires on January 2024</span>. This lease will not be renewed. ASC 842 allows a company an accounting policy election to recognize lease payments within the Consolidated Statement of Operations on a straight-line basis if the lease term is equal to or less than 12 months and not recognize a right-of use asset and lease liability. The accounting policy election is made on the commencement date of the lease. The Company has chosen this election for the Houston lease and has classified it as a short-term lease.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Company also has a lease for office space located in Richmond, California for MAR. This lease commenced in April of 2023 and will continue for <span id="xdx_909_eus-gaap--LesseeOperatingLeaseTermOfContract_iI_dtM_c20231031_z5ndc2j6YHLl" title="Lease commencement date">62</span> months. The lease is classified as an operating lease and is included in right-of-use assets, right-of-use liabilities- current and right-of-use liabilities- long-term on the Company’s Consolidated Balance Sheets.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Variable lease expenses, if any, are recorded as incurred. The operating lease cash flow payments for the three months ended October 31, 2023 and 2022 were $<span id="xdx_90F_eus-gaap--OperatingLeasePayments_c20230801__20231031_zlvrmlr6jOF7" title="Operating lease cash flow payments">186,000</span> and $<span id="xdx_900_eus-gaap--OperatingLeasePayments_c20220801__20221031_zSUMQJz4Jrpi" title="Operating lease cash flow payments">108,000</span>, respectively. The operating lease cash flow payments for the six months ended October 31, 2023 and 2022 were $<span id="xdx_90B_eus-gaap--OperatingLeasePayments_c20230501__20231031_zYX08vYyjKt" title="Operating lease cash flow payments">371,000</span> and $<span id="xdx_909_eus-gaap--OperatingLeasePayments_c20220501__20221031_z2njD4MJ2kM3" title="Operating lease cash flow payments">215,000</span>, respectively.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_89A_eus-gaap--LeaseCostTableTextBlock_zNds9XiVmb06" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 Statement of Operations for the three and six months ended October 31, 2023 and 2022 were as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BE_zxJaJfrzsrrl" 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="display: none; vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_491_20230801__20231031_zq8X4MPaIedj" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49A_20220801__20221031_zVuYNN6PoXv6" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_497_20230501__20231031_znsr0fkrTomh" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_499_20220501__20221031_zaF5XdhbXyVg" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Three months ended October 31,</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Six months ended October 31,</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_409_eus-gaap--OperatingLeaseCost_pn3n3_maLCzBwM_zI4pyc1Heoe2" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating lease cost</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">159</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">92</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">316</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">184</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_400_eus-gaap--ShortTermLeaseCost_pn3n3_maLCzBwM_zco9hHmU2E6f" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Short-term lease cost</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">20</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">40</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">16</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40F_eus-gaap--LeaseCost_iT_pn3n3_mtLCzBwM_zXkJhKMWNsF1" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total lease cost</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">179</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">100</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">356</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">200</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A2_z0OSifVXzUO7" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_895_ecustom--ScheduleOfRightofUseAssetsAndLeaseLiabilitiesTableTextBlock_zi4TNMPAoMxb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 October 31, 2023 was as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BB_zekFTBuZNp4h" 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="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_499_20231031_zIWBCBeMvaFf" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-decoration: underline; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating lease:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--OperatingLeaseRightOfUseAsset_iI_pn3n3_zyea5pu1NuOb" style="vertical-align: bottom; background-color: White"> <td style="width: 80%; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Operating right-of-use asset, net</span></td><td style="width: 2%; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; width: 2%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,550</span></td><td style="width: 1%; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--OperatingLeaseLiabilityCurrent_iI_pn3n3_maOLLzIil_zWawfohfNSY3" style="vertical-align: bottom; background-color: White"> <td style="padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Right-of-use liabilities- current</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">579</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--OperatingLeaseLiabilityNoncurrent_iI_pn3n3_maOLLzIil_zNEwwvnLIAGa" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-left: 10pt; text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Right-of-use liabilities- long term</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,060</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40B_eus-gaap--OperatingLeaseLiability_iTI_pn3n3_mtOLLzIil_zrLvKhhORD83" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total lease liabilities</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,639</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Weighted average remaining lease term- operating leases</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90A_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20231031_zgzSEtDeXCSf" title="Weighted average remaining lease term- operating leases">3.80</span> years</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Weighted average discount rate- operating leases</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_900_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20231031_zlIImepzOB8e" title="Weighted average discount rate- operating leases">8.4</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr> </table> <p id="xdx_8A9_zr6RdseJNCRd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p id="xdx_891_eus-gaap--LesseeOperatingLeaseLiabilityMaturityTableTextBlock_zZP9qarNu8Xa" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B9_zm0DIqAI8be9" 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="vertical-align: bottom"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_492_20231031_zRkwvAHfzm49" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_pn3n3_maLOLLPzbOq_zEJX4vao1W81" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 80%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Remainder of fiscal year 2024</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 2%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">358</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40B_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_maLOLLPzbOq_zdQvKdLbtbG4" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">2025</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">514</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_401_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_maLOLLPzbOq_z3A3JOuoalyc" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">2026</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">338</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40F_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_maLOLLPzbOq_zS6Jg0czVLe5" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">2027</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">329</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_406_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_maLOLLPzbOq_zdMSuC5mM1Yk" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">2028</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">333</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_iI_pn3n3_maLOLLPzbOq_zBVvk2Bbi1Pl" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">thereafter</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_403_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iTI_pn3n3_mtLOLLPzbOq_zeV1hNw9aSX1" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total future minimum lease payments</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,900</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_z1874H7aezI5" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Less imputed interest</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(261</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> <tr id="xdx_403_eus-gaap--OperatingLeaseLiability_iI_pn3n3_zE3vnQcetalh" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,639</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8AA_zRCWA7jsXUg5" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> P2Y The lease includes an initial lease term of seven years which is set to expire on October 31, 2024, and contains an option to extend the lease for another five years P7Y P1Y expires on January 2024 P62M 186000 108000 371000 215000 <p id="xdx_89A_eus-gaap--LeaseCostTableTextBlock_zNds9XiVmb06" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 Statement of Operations for the three and six months ended October 31, 2023 and 2022 were as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BE_zxJaJfrzsrrl" 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="display: none; vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_491_20230801__20231031_zq8X4MPaIedj" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_49A_20220801__20221031_zVuYNN6PoXv6" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_497_20230501__20231031_znsr0fkrTomh" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_499_20220501__20221031_zaF5XdhbXyVg" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Three months ended October 31,</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">Six months ended October 31,</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">2022</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_409_eus-gaap--OperatingLeaseCost_pn3n3_maLCzBwM_zI4pyc1Heoe2" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 36%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating lease cost</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">159</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">92</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">316</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 12%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">184</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_400_eus-gaap--ShortTermLeaseCost_pn3n3_maLCzBwM_zco9hHmU2E6f" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Short-term lease cost</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">20</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">8</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">40</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">16</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40F_eus-gaap--LeaseCost_iT_pn3n3_mtLCzBwM_zXkJhKMWNsF1" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total lease cost</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">179</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">100</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">356</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">200</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 159000 92000 316000 184000 20000 8000 40000 16000 179000 100000 356000 200000 <p id="xdx_895_ecustom--ScheduleOfRightofUseAssetsAndLeaseLiabilitiesTableTextBlock_zi4TNMPAoMxb" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 October 31, 2023 was as follows:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8BB_zekFTBuZNp4h" 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="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_499_20231031_zIWBCBeMvaFf" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-decoration: underline; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Operating lease:</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--OperatingLeaseRightOfUseAsset_iI_pn3n3_zyea5pu1NuOb" style="vertical-align: bottom; background-color: White"> <td style="width: 80%; text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Operating right-of-use asset, net</span></td><td style="width: 2%; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; width: 2%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,550</span></td><td style="width: 1%; padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--OperatingLeaseLiabilityCurrent_iI_pn3n3_maOLLzIil_zWawfohfNSY3" style="vertical-align: bottom; background-color: White"> <td style="padding-left: 10pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Right-of-use liabilities- current</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">579</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40A_eus-gaap--OperatingLeaseLiabilityNoncurrent_iI_pn3n3_maOLLzIil_zNEwwvnLIAGa" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-left: 10pt; text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Right-of-use liabilities- long term</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,060</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40B_eus-gaap--OperatingLeaseLiability_iTI_pn3n3_mtOLLzIil_zrLvKhhORD83" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total lease liabilities</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,639</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Weighted average remaining lease term- operating leases</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><span id="xdx_90A_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20231031_zgzSEtDeXCSf" title="Weighted average remaining lease term- operating leases">3.80</span> years</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Weighted average discount rate- operating leases</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span id="xdx_900_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pid_dp_uPure_c20231031_zlIImepzOB8e" title="Weighted average discount rate- operating leases">8.4</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr> </table> 1550000 579000 1060000 1639000 P3Y9M18D 0.084 <p id="xdx_891_eus-gaap--LesseeOperatingLeaseLiabilityMaturityTableTextBlock_zZP9qarNu8Xa" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B9_zm0DIqAI8be9" 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="vertical-align: bottom"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_492_20231031_zRkwvAHfzm49" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_pn3n3_maLOLLPzbOq_zEJX4vao1W81" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 80%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Remainder of fiscal year 2024</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 2%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">358</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40B_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_pn3n3_maLOLLPzbOq_zdQvKdLbtbG4" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">2025</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">514</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_401_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_pn3n3_maLOLLPzbOq_z3A3JOuoalyc" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">2026</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">338</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40F_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_pn3n3_maLOLLPzbOq_zS6Jg0czVLe5" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">2027</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">329</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_406_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_pn3n3_maLOLLPzbOq_zdMSuC5mM1Yk" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">2028</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">333</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_iI_pn3n3_maLOLLPzbOq_zBVvk2Bbi1Pl" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">thereafter</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">28</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_403_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iTI_pn3n3_mtLOLLPzbOq_zeV1hNw9aSX1" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Total future minimum lease payments</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,900</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_pn3n3_di_z1874H7aezI5" style="vertical-align: bottom; background-color: White"> <td style="text-align: left; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Less imputed interest</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">(261</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif">)</span></td></tr> <tr id="xdx_403_eus-gaap--OperatingLeaseLiability_iI_pn3n3_zE3vnQcetalh" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left; padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif">Total</span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,639</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 358000 514000 338000 329000 333000 28000 1900000 261000 1639000 <p id="xdx_800_eus-gaap--AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_zewaDGsybul7" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(10) <span id="xdx_821_z69XmKJ08B56">Accrued Expenses</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b> </b></span></p> <p id="xdx_892_eus-gaap--ScheduleOfAccruedLiabilitiesTableTextBlock_zJuMV8hhLGzh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued expenses consisted of the following at October 31, 2023 and April 30, 2023:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B6_znegqwXf322l" 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="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_495_20231031_z3aaiMPp4Yba" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_497_20230430_z8cuLtkyyPzk" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_406_eus-gaap--ConstructionPayableCurrent_iI_pn3n3_maCzsTG_zbbfhd7dG205" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Project costs</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">141</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">181</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--OtherEmployeeRelatedLiabilitiesCurrent_iI_pn3n3_maCzsTG_zrCVqQRAVkmi" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Employee incentive payments</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">901</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,948</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_408_eus-gaap--AccruedSalariesCurrent_iI_pn3n3_maCzsTG_znFlY9JrrQVe" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accrued salary and benefits</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">486</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">52</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40F_eus-gaap--AccruedProfessionalFeesCurrent_iI_pn3n3_maCzsTG_zWgxCtyN5Ilk" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Professional fees</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">450</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1258">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_eus-gaap--OtherAccruedLiabilitiesCurrent_iI_pn3n3_maCzsTG_ztIwQU7792Gj" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Other</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">116</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">165</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_409_eus-gaap--AccruedLiabilitiesCurrent_iTI_pn3n3_mtCzsTG_zAU6zsWlXTvc" style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued expenses total</span><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,094</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,346</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> <p id="xdx_8A7_zzjaHIgJLGN7" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p id="xdx_892_eus-gaap--ScheduleOfAccruedLiabilitiesTableTextBlock_zJuMV8hhLGzh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued expenses consisted of the following at October 31, 2023 and April 30, 2023:</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> <span id="xdx_8B6_znegqwXf322l" 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="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_495_20231031_z3aaiMPp4Yba" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">October 31, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="font-weight: bold; padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="2" id="xdx_497_20230430_z8cuLtkyyPzk" style="border-bottom: Black 1.5pt solid; font-weight: bold; text-align: center"><span style="font-family: Times New Roman, Times, Serif">April 30, 2023</span></td><td style="padding-bottom: 1.5pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr style="vertical-align: bottom"> <td><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td colspan="6" style="text-align: center"><span style="font-family: Times New Roman, Times, Serif">(in thousands)</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_406_eus-gaap--ConstructionPayableCurrent_iI_pn3n3_maCzsTG_zbbfhd7dG205" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Project costs</span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">141</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 2%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="width: 16%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">181</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40E_eus-gaap--OtherEmployeeRelatedLiabilitiesCurrent_iI_pn3n3_maCzsTG_zrCVqQRAVkmi" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Employee incentive payments</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">901</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">1,948</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_408_eus-gaap--AccruedSalariesCurrent_iI_pn3n3_maCzsTG_znFlY9JrrQVe" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Accrued salary and benefits</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">486</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">52</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40F_eus-gaap--AccruedProfessionalFeesCurrent_iI_pn3n3_maCzsTG_zWgxCtyN5Ilk" style="vertical-align: bottom; background-color: White"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Professional fees</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">450</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif"><span style="-sec-ix-hidden: xdx2ixbrl1258">—</span></span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_40D_eus-gaap--OtherAccruedLiabilitiesCurrent_iI_pn3n3_maCzsTG_ztIwQU7792Gj" style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif">Other</span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">116</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 1.5pt solid; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="border-bottom: Black 1.5pt solid; text-align: right"><span style="font-family: Times New Roman, Times, Serif">165</span></td><td style="padding-bottom: 1.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> <tr id="xdx_409_eus-gaap--AccruedLiabilitiesCurrent_iTI_pn3n3_mtCzsTG_zAU6zsWlXTvc" style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 2.5pt"><span style="display: none; font-family: Times New Roman, Times, Serif; font-size: 10pt">Accrued expenses total</span><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,094</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="padding-bottom: 2.5pt"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font-family: Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font-family: Times New Roman, Times, Serif">2,346</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td></tr> </table> 141000 181000 901000 1948000 486000 52000 450000 116000 165000 2094000 2346000 <p id="xdx_807_ecustom--WarrantDisclosureTextBlock_zbSNjLr6DLYd" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(11) <span id="xdx_82B_zy8m7IA0wyFd">Warrants</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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 0pt 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 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The underwritten public offering from April 2019 included the issuance of common stock warrants to purchase up to <span id="xdx_90C_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_pid_c20190430__us-gaap--SubsidiarySaleOfStockAxis__custom--UnderwrittenPublicOfferingMember_zeHpY576SeHl" title="Warrants to purchase common stock exercised">4,927,680</span> shares of common stock that have an exercise price of $<span id="xdx_90C_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_pid_c20190430__us-gaap--SubsidiarySaleOfStockAxis__custom--UnderwrittenPublicOfferingMember_zBlI9yN0HqCj" title="Exercise price of warrants">3.85</span> per share and expire <span id="xdx_906_eus-gaap--WarrantsAndRightsOutstandingTerm_iI_dc_c20190430__us-gaap--SubsidiarySaleOfStockAxis__custom--UnderwrittenPublicOfferingMember_zxzyVXtBFzKb" title="Warrants and rights outstanding, term">five years</span> from the issuance date. As of October 31, 2023, common warrants to purchase <span id="xdx_900_ecustom--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRightsExercised_iI_pid_c20231031_zyXjBdhRlZuk" title="Warrants to purchase common stock exercised">732,500</span> shares of the common stock had been exercised.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> 4927680 3.85 P5Y 732500 <p id="xdx_801_eus-gaap--DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_z8c8qHbHGX5c" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(12) <span id="xdx_82D_zO2SyHL8C6F7">Share-Based Compensation</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 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_909_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_iI_c20151231__us-gaap--PlanNameAxis__custom--TwoThousandAndFifteenOmnibusIncentivePlanMember_zuGbWtV346e" 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. At subsequent shareholder meetings, including most recently in January 2023, the shareholders approved an aggregate increase to the 2015 Plan of <span id="xdx_90D_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_iI_c20230131__us-gaap--PlanNameAxis__custom--TwoThousandAndFifteenOmnibusIncentivePlanMember_zs4p2qp0mzDj" title="Share-based compensation arrangement shares aggregate increase">3,050,000</span> shares resulting in total shares authorized for issuance of <span id="xdx_90E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_iI_c20230131__us-gaap--PlanNameAxis__custom--TwoThousandAndFifteenOmnibusIncentivePlanMember_zufbogUcoUS6" title="Share-based compensation arrangement shares authorized">4,382,036</span> as of January 2023. As of October 31, 2023, the Company had approximately <span id="xdx_907_eus-gaap--CommonStockCapitalSharesReservedForFutureIssuance_iI_c20231031__us-gaap--PlanNameAxis__custom--TwoThousandAndFifteenOmnibusIncentivePlanMember_zL0t6QhscrUa" title="Capital shares reserved for future issuance">684,000</span> shares available for future issuance under the 2015 Plan.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0"></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"></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 0pt 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_904_eus-gaap--CommonStockCapitalSharesReservedForFutureIssuance_iI_c20180118__us-gaap--PlanNameAxis__custom--TwoThousandAndEighteenInducementPlanMember_zk7kFOn6UwJa" 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. On February 9, 2022, the 2018 Inducement Plan was amended to increase the authorized shares by <span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_iI_pid_c20220208__us-gaap--PlanNameAxis__custom--TwoThousandAndEighteenInducementPlanMember_zdxb2JRXp3gh" title="Share-based compensation arrangement shares authorized">250,000</span> to <span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_iI_pid_c20220209__us-gaap--PlanNameAxis__custom--TwoThousandAndEighteenInducementPlanMember_zFgDDAt8rzKa" title="Share-based compensation arrangement shares authorized">275,000</span>. As of October 31, 2023, there were approximately <span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_pid_c20231031__us-gaap--PlanNameAxis__custom--TwoThousandAndEighteenInducementPlanMember_zQwt2kWkdU1a" title="Available for grant">111,000</span> shares available for grant under the 2018 Inducement Plan. The 2015 Plan and the 2018 Inducement Plan together comprise the “Stock Incentive Plans”.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 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 0pt 0pt 0; text-align: justify"><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 0pt 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 0pt 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 weighted average valuation assumptions. The risk-free rate is based on the U.S. Treasury yield curve in effect at the time of grant commensurate with the expected life of the award. The expected life (estimated period of time outstanding) of the stock options granted was 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 did not grant any stock options during the three and six months ended October 31, 2023 and 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 id="xdx_898_eus-gaap--ScheduleOfShareBasedCompensationActivityTableTextBlock_z0xh35d7jxz4" style="font: 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_8B2_z8XHfXoxvso4" 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="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"> </td><td style="padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; 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="padding-bottom: 1.5pt"> </td><td style="padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; 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="padding-bottom: 1.5pt"> </td><td style="padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; 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="padding-bottom: 1.5pt"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 40%">Outstanding as of April 30, 2023</td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left"> </td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20230501__20231031_zmAGrI3olU5c" style="width: 16%; text-align: right" title="Shares Underlying Options Outstanding, beginning">1,529,185</td><td style="width: 1%; text-align: left"> </td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left">$</td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20230501__20231031_zJN24tB4ijTl" style="width: 16%; text-align: right" title="Weighted Average Exercise Price, Beginning balance">1.75</td><td style="width: 1%; text-align: left"> </td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left"> </td><td style="width: 16%; text-align: right"><span id="xdx_905_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20230501__20231031_z01UGPSd3NP8" title="Weighted Average Remaining Contractual Term (In Years), Beginning">8.8</span></td><td style="width: 1%; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td>Granted</td><td> </td> <td style="text-align: left"> </td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20230501__20231031_zzdNGm4Wyzp" style="text-align: right" title="Shares Underlying Options Outstanding, Granted"><span style="-sec-ix-hidden: xdx2ixbrl1302">—</span></td><td style="text-align: left"> </td><td> </td> <td style="text-align: left">$</td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20230501__20231031_zhqs0itku588" style="text-align: right" title="Weighted Average Exercise Price, Granted"><span style="-sec-ix-hidden: xdx2ixbrl1304">—</span></td><td style="text-align: left"> </td><td> </td> <td style="text-align: left"> </td><td style="text-align: right"> </td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td>Exercised</td><td> </td> <td style="text-align: left"> </td><td id="xdx_987_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20230501__20231031_zTcbzZlnKtua" style="text-align: right" title="Shares Underlying Options ,Exercised"><span style="-sec-ix-hidden: xdx2ixbrl1306">—</span></td><td style="text-align: left"> </td><td> </td> <td style="text-align: left">$</td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20230501__20231031_zgQC6KPHOkeb" style="text-align: right" title="Weighted Average Exercise Price, Exercised"><span style="-sec-ix-hidden: xdx2ixbrl1308">—</span></td><td style="text-align: left"> </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: White"> <td style="padding-bottom: 1.5pt">Cancelled/forfeited</td><td style="padding-bottom: 1.5pt"> </td> <td style="border-bottom: Black 1.5pt solid; text-align: left"> </td><td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20230501__20231031_zqaMm3zrCL6i" style="border-bottom: Black 1.5pt solid; text-align: right" title="Shares Underlying Options, Cancelled/forfeited">(345,694</td><td style="padding-bottom: 1.5pt; text-align: left">)</td><td style="padding-bottom: 1.5pt"> </td> <td style="padding-bottom: 1.5pt; text-align: left">$</td><td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20230501__20231031_zUCUzhnqX4A4" style="padding-bottom: 1.5pt; text-align: right" title="Weighted Average Exercise Price, Cancelled/forfeited">1.57</td><td style="padding-bottom: 1.5pt; text-align: left"> </td><td style="padding-bottom: 1.5pt"> </td> <td style="padding-bottom: 1.5pt; text-align: left"> </td><td style="padding-bottom: 1.5pt; text-align: right"> </td><td style="padding-bottom: 1.5pt; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 2.5pt">Outstanding as of October 31, 2023</td><td style="padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; text-align: left"> </td><td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20230501__20231031_zqGpMIL12cR1" style="border-bottom: Black 2.5pt double; text-align: right" title="Shares Underlying Options, ending">1,183,491</td><td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt"> </td> <td style="padding-bottom: 2.5pt; text-align: left">$</td><td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20230501__20231031_ztue6Zr0oN0l" style="padding-bottom: 2.5pt; text-align: right" title="Weighted average exercise price, ending balance">1.80</td><td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt"> </td> <td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt; text-align: right"><span id="xdx_903_ecustom--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm_dtY_c20230501__20231031_zz1KbV4JvMO8" title="Weighted Average Remaining Contractual Term (In Years), Ending">8.2</span></td><td style="padding-bottom: 2.5pt; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 2.5pt">Exercisable as of October 31, 2023</td><td style="padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; text-align: left"> </td><td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20231031_zhsm5qMJhhBi" style="border-bottom: Black 2.5pt double; text-align: right" title="Shares Underlying Options, Exercisable at Ending">417,211</td><td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt"> </td> <td style="padding-bottom: 2.5pt; text-align: left">$</td><td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20231031_zzrhQYn5aYxh" style="padding-bottom: 2.5pt; text-align: right" title="Weighted Average Exercise Price, Exercisable at ending">3.34</td><td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt"> </td> <td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt; text-align: right"><span id="xdx_905_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20230501__20231031_zt9gpQdMZjok" title="Weighted Average Remaining Contractual Term (In Years), Exercisable at Ending">7.1</span></td><td style="padding-bottom: 2.5pt; text-align: left"> </td></tr> </table> <p id="xdx_8A2_zik9p16DGE9i" style="font: 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 October 31, 2023, the total intrinsic value of outstanding and exercisable options was approximately zero. As of October 31, 2023, approximately <span id="xdx_90A_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_iI_pid_c20231031__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zIhQmYq1u9ch" title="Options unvested">766,000</span> options were unvested, which had an intrinsic value of zero and a weighted average remaining contractual term of <span id="xdx_904_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_dtY_c20230501__20231031__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zQBuWzaE1vPb" title="Weighted average remaining contractual term">8.8</span> years. There was approximately $<span id="xdx_90C_eus-gaap--AllocatedShareBasedCompensationExpense_c20230501__20231031__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zVt9zJB4M5Q8" title="Share-based payment arrangement, expense">98,000</span> and $<span id="xdx_905_eus-gaap--AllocatedShareBasedCompensationExpense_c20220501__20221031__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zDmyU9qZkv07" title="Share-based payment arrangement, expense">168,000</span> of total recognized compensation cost related to stock options during each of the six months ended October 31, 2023 and 2022, respectively. There was approximately $<span id="xdx_908_eus-gaap--AllocatedShareBasedCompensationExpense_c20230801__20231031__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zRg12ApxPF3j" title="Share-based payment arrangement, expense">20,000</span> and $<span id="xdx_90D_eus-gaap--AllocatedShareBasedCompensationExpense_c20220801__20221031__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zXmMtvED4f7j" title="Share-based payment arrangement, expense">72,000</span> of total recognized compensation cost related to stock options during each of the three months ended October 31, 2023 and 2022, respectively. As of October 31, 2023, there was approximately $<span id="xdx_900_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_iI_pn5n6_c20231031_zHl3yCFTSxG2" title="Unrecognized compensation cost related to non-vested stock">0.4</span> million 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_907_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_dtY_c20230501__20231031_zX0o8scmTUQg" title="Share-based compensation of weighted-average period">1.8</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"><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">As of October 31, 2023, there were no performance stock options outstanding. As of April 30, 2023 there were <span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iI_pid_c20230430__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_zVPwbGXzsBc3" title="Shares outstanding">66,667</span> shares outstanding which were all canceled during the quarter ended July 31, 2023. There was approximately $<span id="xdx_90A_eus-gaap--AllocatedShareBasedCompensationExpense_c20230501__20231031__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_zYDvOY3vS2ie">43,000</span> and $<span id="xdx_90A_eus-gaap--AllocatedShareBasedCompensationExpense_c20220501__20221031__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_zXtzpAbJPC5a">101,000</span> of total recognized compensation cost related to performance stock options during the six months ended October 31, 2023 and 2022, respectively. There was approximately <span id="xdx_905_eus-gaap--AllocatedShareBasedCompensationExpense_dc_c20230801__20231031__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_zJX6oqjvyxIl">zero</span> and $<span id="xdx_90F_eus-gaap--AllocatedShareBasedCompensationExpense_c20220801__20221031__us-gaap--AwardTypeAxis__us-gaap--PerformanceSharesMember_zMpNcpRKrhog" title="Allocated share based compensation expense">48,000</span> of total recognized compensation cost related to performance stock options during the three months ended October 31, 2023 and 2022, 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"><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 Units</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 RSUs is generally recorded based on the market value on the date of grant and recognized ratably over the associated service and performance period. During the six months ended October 31, 2023 and 2022, the Company granted <span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_c20230501__20231031__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zjWx5S0eCsIg" title="Number of restricted shares, granted">58,000</span> and <span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_c20220501__20221031__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zgL9n1sGRiAj" title="Number of restricted shares, granted">52,500</span> shares, respectively, that were subject to both service-based and market-based vesting requirements.</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_898_eus-gaap--ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_znLF0wWEw1p4" 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 unvested RSU’s 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_8B6_zDzXUjfcfyCg" 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="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"> </td><td style="padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; 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"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>of Shares</b></span></p></td><td style="padding-bottom: 1.5pt"> </td><td style="padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; 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 Price per</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>Share</b></span></p></td><td style="padding-bottom: 1.5pt"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%">Unvested at April 30, 2023</td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left"> </td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_iS_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zwnEKQMDKen4" style="width: 16%; text-align: right" title="Number of Shares, Unvested, Beginning">1,985,994</td><td style="width: 1%; text-align: left"> </td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left">$</td><td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_iS_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zIlSSv5yzXic" style="width: 16%; text-align: right" title="Weighted Average Price per Share, Unvested, Beginning">0.89</td><td style="width: 1%; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td>Granted</td><td> </td> <td style="text-align: left"> </td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zgkn6WJLgODc" style="text-align: right" title="Number of Shares, Unvested, Granted">58,500</td><td style="text-align: left"> </td><td> </td> <td style="text-align: left">$</td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zG5re24kE9Y3" style="text-align: right" title="Weighted Average Price per Share, Unvested, Granted">0.53</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left">Vested and issued</td><td> </td> <td style="text-align: left"> </td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_iN_pid_di_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zXFOjDM0xmPa" style="text-align: right" title="Number of Shares, Unvested, Vested and issued">(69,666</td><td style="text-align: left">)</td><td> </td> <td style="text-align: left">$</td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zRwyPghBlwyd" style="text-align: right" title="Weighted Average Price per Share, Unvested, Vested">1.41</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1.5pt">Cancelled/forfeited</td><td style="padding-bottom: 1.5pt"> </td> <td style="border-bottom: Black 1.5pt solid; text-align: left"> </td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_iN_pid_di_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_z6b51m07A5Ih" style="border-bottom: Black 1.5pt solid; text-align: right" title="Number of Shares, Unvested, Cancelled/forfeited">(58,647</td><td style="padding-bottom: 1.5pt; text-align: left">)</td><td style="padding-bottom: 1.5pt"> </td> <td style="padding-bottom: 1.5pt; text-align: left">$</td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zOvr5BCV8D38" style="padding-bottom: 1.5pt; text-align: right" title="Weighted Average Price per Share, Cancelled/forfeited">2.01</td><td style="padding-bottom: 1.5pt; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 2.5pt">Unvested at October 31, 2023</td><td style="padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; text-align: left"> </td><td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_iE_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zz4Auej29tri" style="border-bottom: Black 2.5pt double; text-align: right" title="Number of Shares, Unvested, Ending">1,916,181</td><td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt"> </td> <td style="padding-bottom: 2.5pt; text-align: left">$</td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_iE_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zshx0BqF4Qzi" style="padding-bottom: 2.5pt; text-align: right" title="Weighted Average Price per Share, Unvested, Ending">0.86</td><td style="padding-bottom: 2.5pt; text-align: left"> </td></tr> </table> <p id="xdx_8A2_zlsncllYpGu9" style="font: 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_90F_eus-gaap--AllocatedShareBasedCompensationExpense_c20230501__20231031__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zyXJ6kvcZPtf" title="Share-based payment arrangement, expense">532,000</span> and $<span id="xdx_90F_eus-gaap--AllocatedShareBasedCompensationExpense_c20220501__20221031__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_z8NoU1k4LCA2" title="Share-based payment arrangement, expense">364,000</span> of total recognized compensation cost related to RSUs for the six months ended October 31, 2023 and 2022, respectively. There was approximately $<span id="xdx_90E_eus-gaap--AllocatedShareBasedCompensationExpense_c20230801__20231031__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zBREWDduIBcb" title="Share-based payment arrangement, expense">252,000</span> and $<span id="xdx_902_eus-gaap--AllocatedShareBasedCompensationExpense_c20220801__20221031__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zxtnEIXkyKWg" title="Share-based payment arrangement, expense">180,000</span> of total recognized compensation cost related to restricted stock units for the three months ended October 31, 2023 and 2022, respectively. As of October 31, 2023, there was approximately $<span id="xdx_907_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_iI_c20231031__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_zRCCwwqMavIe" title="Unrecognized compensation cost">554,000</span> of unrecognized compensation cost remaining related to unvested restricted stock units granted under our plans. The primary driver of unrecognized compensation cost for RSU’s is related to RSU grants in accordance with the Company’s stock holding guidelines for Named Executive Officers (“NEO’s”). This cost is expected to be recognized over a weighted-average period of <span id="xdx_909_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_dtY_c20230501__20231031__us-gaap--AwardTypeAxis__us-gaap--RestrictedStockMember_z5cYhxceYiUb" title="Share-based compensation of weighted-average period">1.2</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> 1332036 3050000 4382036 684000 25000 250000 275000 111000 <p id="xdx_898_eus-gaap--ScheduleOfShareBasedCompensationActivityTableTextBlock_z0xh35d7jxz4" style="font: 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_8B2_z8XHfXoxvso4" 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="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"> </td><td style="padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; 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="padding-bottom: 1.5pt"> </td><td style="padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; 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="padding-bottom: 1.5pt"> </td><td style="padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; 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="padding-bottom: 1.5pt"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 40%">Outstanding as of April 30, 2023</td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left"> </td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_c20230501__20231031_zmAGrI3olU5c" style="width: 16%; text-align: right" title="Shares Underlying Options Outstanding, beginning">1,529,185</td><td style="width: 1%; text-align: left"> </td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left">$</td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20230501__20231031_zJN24tB4ijTl" style="width: 16%; text-align: right" title="Weighted Average Exercise Price, Beginning balance">1.75</td><td style="width: 1%; text-align: left"> </td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left"> </td><td style="width: 16%; text-align: right"><span id="xdx_905_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20230501__20231031_z01UGPSd3NP8" title="Weighted Average Remaining Contractual Term (In Years), Beginning">8.8</span></td><td style="width: 1%; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td>Granted</td><td> </td> <td style="text-align: left"> </td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20230501__20231031_zzdNGm4Wyzp" style="text-align: right" title="Shares Underlying Options Outstanding, Granted"><span style="-sec-ix-hidden: xdx2ixbrl1302">—</span></td><td style="text-align: left"> </td><td> </td> <td style="text-align: left">$</td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_c20230501__20231031_zhqs0itku588" style="text-align: right" title="Weighted Average Exercise Price, Granted"><span style="-sec-ix-hidden: xdx2ixbrl1304">—</span></td><td style="text-align: left"> </td><td> </td> <td style="text-align: left"> </td><td style="text-align: right"> </td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td>Exercised</td><td> </td> <td style="text-align: left"> </td><td id="xdx_987_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_iN_pid_di_c20230501__20231031_zTcbzZlnKtua" style="text-align: right" title="Shares Underlying Options ,Exercised"><span style="-sec-ix-hidden: xdx2ixbrl1306">—</span></td><td style="text-align: left"> </td><td> </td> <td style="text-align: left">$</td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_c20230501__20231031_zgQC6KPHOkeb" style="text-align: right" title="Weighted Average Exercise Price, Exercised"><span style="-sec-ix-hidden: xdx2ixbrl1308">—</span></td><td style="text-align: left"> </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: White"> <td style="padding-bottom: 1.5pt">Cancelled/forfeited</td><td style="padding-bottom: 1.5pt"> </td> <td style="border-bottom: Black 1.5pt solid; text-align: left"> </td><td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_iN_pid_di_c20230501__20231031_zqaMm3zrCL6i" style="border-bottom: Black 1.5pt solid; text-align: right" title="Shares Underlying Options, Cancelled/forfeited">(345,694</td><td style="padding-bottom: 1.5pt; text-align: left">)</td><td style="padding-bottom: 1.5pt"> </td> <td style="padding-bottom: 1.5pt; text-align: left">$</td><td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_pid_c20230501__20231031_zUCUzhnqX4A4" style="padding-bottom: 1.5pt; text-align: right" title="Weighted Average Exercise Price, Cancelled/forfeited">1.57</td><td style="padding-bottom: 1.5pt; text-align: left"> </td><td style="padding-bottom: 1.5pt"> </td> <td style="padding-bottom: 1.5pt; text-align: left"> </td><td style="padding-bottom: 1.5pt; text-align: right"> </td><td style="padding-bottom: 1.5pt; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 2.5pt">Outstanding as of October 31, 2023</td><td style="padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; text-align: left"> </td><td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20230501__20231031_zqGpMIL12cR1" style="border-bottom: Black 2.5pt double; text-align: right" title="Shares Underlying Options, ending">1,183,491</td><td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt"> </td> <td style="padding-bottom: 2.5pt; text-align: left">$</td><td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20230501__20231031_ztue6Zr0oN0l" style="padding-bottom: 2.5pt; text-align: right" title="Weighted average exercise price, ending balance">1.80</td><td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt"> </td> <td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt; text-align: right"><span id="xdx_903_ecustom--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm_dtY_c20230501__20231031_zz1KbV4JvMO8" title="Weighted Average Remaining Contractual Term (In Years), Ending">8.2</span></td><td style="padding-bottom: 2.5pt; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 2.5pt">Exercisable as of October 31, 2023</td><td style="padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; text-align: left"> </td><td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iI_pid_c20231031_zhsm5qMJhhBi" style="border-bottom: Black 2.5pt double; text-align: right" title="Shares Underlying Options, Exercisable at Ending">417,211</td><td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt"> </td> <td style="padding-bottom: 2.5pt; text-align: left">$</td><td id="xdx_98A_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iI_pid_c20231031_zzrhQYn5aYxh" style="padding-bottom: 2.5pt; text-align: right" title="Weighted Average Exercise Price, Exercisable at ending">3.34</td><td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt"> </td> <td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt; text-align: right"><span id="xdx_905_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20230501__20231031_zt9gpQdMZjok" title="Weighted Average Remaining Contractual Term (In Years), Exercisable at Ending">7.1</span></td><td style="padding-bottom: 2.5pt; text-align: left"> </td></tr> </table> 1529185 1.75 P8Y9M18D 345694 1.57 1183491 1.80 P8Y2M12D 417211 3.34 P7Y1M6D 766000 P8Y9M18D 98000 168000 20000 72000 400000 P1Y9M18D 66667 43000 101000 0 48000 58000 52500 <p id="xdx_898_eus-gaap--ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_znLF0wWEw1p4" 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 unvested RSU’s 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_8B6_zDzXUjfcfyCg" 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="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"> </td><td style="padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; 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"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>of Shares</b></span></p></td><td style="padding-bottom: 1.5pt"> </td><td style="padding-bottom: 1.5pt"> </td> <td colspan="2" style="border-bottom: Black 1.5pt solid; 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 Price per</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>Share</b></span></p></td><td style="padding-bottom: 1.5pt"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 60%">Unvested at April 30, 2023</td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left"> </td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_iS_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zwnEKQMDKen4" style="width: 16%; text-align: right" title="Number of Shares, Unvested, Beginning">1,985,994</td><td style="width: 1%; text-align: left"> </td><td style="width: 2%"> </td> <td style="width: 1%; text-align: left">$</td><td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_iS_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zIlSSv5yzXic" style="width: 16%; text-align: right" title="Weighted Average Price per Share, Unvested, Beginning">0.89</td><td style="width: 1%; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td>Granted</td><td> </td> <td style="text-align: left"> </td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zgkn6WJLgODc" style="text-align: right" title="Number of Shares, Unvested, Granted">58,500</td><td style="text-align: left"> </td><td> </td> <td style="text-align: left">$</td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zG5re24kE9Y3" style="text-align: right" title="Weighted Average Price per Share, Unvested, Granted">0.53</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left">Vested and issued</td><td> </td> <td style="text-align: left"> </td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_iN_pid_di_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zXFOjDM0xmPa" style="text-align: right" title="Number of Shares, Unvested, Vested and issued">(69,666</td><td style="text-align: left">)</td><td> </td> <td style="text-align: left">$</td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zRwyPghBlwyd" style="text-align: right" title="Weighted Average Price per Share, Unvested, Vested">1.41</td><td style="text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: White"> <td style="padding-bottom: 1.5pt">Cancelled/forfeited</td><td style="padding-bottom: 1.5pt"> </td> <td style="border-bottom: Black 1.5pt solid; text-align: left"> </td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_iN_pid_di_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_z6b51m07A5Ih" style="border-bottom: Black 1.5pt solid; text-align: right" title="Number of Shares, Unvested, Cancelled/forfeited">(58,647</td><td style="padding-bottom: 1.5pt; text-align: left">)</td><td style="padding-bottom: 1.5pt"> </td> <td style="padding-bottom: 1.5pt; text-align: left">$</td><td id="xdx_989_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zOvr5BCV8D38" style="padding-bottom: 1.5pt; text-align: right" title="Weighted Average Price per Share, Cancelled/forfeited">2.01</td><td style="padding-bottom: 1.5pt; text-align: left"> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="padding-bottom: 2.5pt">Unvested at October 31, 2023</td><td style="padding-bottom: 2.5pt"> </td> <td style="border-bottom: Black 2.5pt double; text-align: left"> </td><td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_iE_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zz4Auej29tri" style="border-bottom: Black 2.5pt double; text-align: right" title="Number of Shares, Unvested, Ending">1,916,181</td><td style="padding-bottom: 2.5pt; text-align: left"> </td><td style="padding-bottom: 2.5pt"> </td> <td style="padding-bottom: 2.5pt; text-align: left">$</td><td id="xdx_98C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_iE_pid_c20230501__20231031__us-gaap--AwardTypeAxis__custom--NonVestedRestrictedStockMember_zshx0BqF4Qzi" style="padding-bottom: 2.5pt; text-align: right" title="Weighted Average Price per Share, Unvested, Ending">0.86</td><td style="padding-bottom: 2.5pt; text-align: left"> </td></tr> </table> 1985994 0.89 58500 0.53 69666 1.41 58647 2.01 1916181 0.86 532000 364000 252000 180000 554000 P1Y2M12D <p id="xdx_80C_eus-gaap--FairValueDisclosuresTextBlock_zIaeGJkLlBil" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(13) <span id="xdx_826_zFppJtD2XLFk">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; width: 0.65in; text-align: justify"><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"><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 value is equal to their fair value due to the short term nature of these accounts.</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">Additionally, there is a Level 3 contingent liability related to earnout payable as part of the MAR acquisition in the amount of $<span id="xdx_908_eus-gaap--BusinessCombinationContingentConsiderationLiability_iI_pn5n6_c20231031__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_z8OjBLWLrti3" title="Contingent liability MAR acquisition amount">1.1</span> million as of October 31, 2023. The fair value of this contingent liability has decreased by approximately $<span id="xdx_90E_ecustom--IncreaseDecreaseInContingentLiability_pn5n6_c20220501__20230430__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_zEOMEZu9yJvg" title="Decrease in contingent liability">0.1</span> million from the fair value of $<span id="xdx_901_eus-gaap--ContingentConsiderationClassifiedAsEquityFairValueDisclosure_iI_pn5n6_c20230430__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_zdVHOyNcxnGa" title="Fair value of contingent consideration">1.2</span> million as of April 30, 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">In June 2023, the Company paid $<span id="xdx_90B_ecustom--CashPaidForFirstEarnOut_c20230601__20230630_zdIvtKeiWQb9" title="Cash payments">500,000</span> in cash and issued <span id="xdx_901_eus-gaap--StockIssuedDuringPeriodSharesNewIssues_c20230601__20230630_zmI2scLqt8T9" title="Stock issued during period, shares">1,923,077</span> in shares worth $<span id="xdx_901_eus-gaap--StockIssuedDuringPeriodValueNewIssues_pn5n6_c20230601__20230630_z0KNBe0nCNii" title="Stock issued during period, value">1.0</span> million to satisfy the achievement of the first earnout period.</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">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 six months ended October 31, 2023 and 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> 1100000 100000 1200000 500000 1923077 1000000.0 <p id="xdx_807_eus-gaap--CommitmentsAndContingenciesDisclosureTextBlock_zKZoPIBgZzj9" 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_823_zuhhskcRtZt1">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>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"> </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 its 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 year ended April 30, 2022, the Company received notice from the Spanish Central Economic and Administrative Tribunal (“Spanish Tax Administration”) 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_90F_eus-gaap--IncomeTaxExaminationPenaltiesAndInterestAccrued_iI_uEuro_c20220430__us-gaap--IncomeTaxAuthorityNameAxis__us-gaap--TaxAuthoritySpainMember_z3LstIXDlCe8" title="Income tax penalties">279,870</span> or approximately $<span id="xdx_908_eus-gaap--IncomeTaxExaminationPenaltiesAndInterestAccrued_iI_c20220430__us-gaap--IncomeTaxAuthorityNameAxis__us-gaap--TaxAuthoritySpainMember_zQOoiHgmtbhe" title="Income tax penalties">331,000</span>. On January 25, 2021, the Company paid the Spanish Tax Administration €<span id="xdx_90B_eus-gaap--LossContingencyDamagesPaidValue_uEuro_c20210124__20210125__us-gaap--IncomeTaxAuthorityNameAxis__us-gaap--TaxAuthoritySpainMember_z3zMDvQVXWD6" title="Payment of tax on damages">279,870</span>. Notwithstanding that payment, on April 30, 2022, the Company filed its appeal of the decision of the Central Court to the Spanish National Court. The Company is awaiting the results of the appeal.</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>Shareholder Proxy Contest</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 June 16, 2023, a stockholder of the Company, Paragon Technologies, Inc., a Delaware corporation (“Paragon”), informed the Company that Paragon was planning a proxy contest against the Company and intended to nominate candidates for election to the Company’s Board of Directors (the “Board”) at the Company’s 2023 Annual Meeting of Stockholders (the “2023 Annual Meeting”). Paragon would later disclose that it is seeking to replace a majority of the six-member Board and, thereby, seek control of the Company. In connection with Paragon’s threatened proxy contest, the Company is currently defending against two litigation matters brought by Paragon in the Delaware Court of Chancery.</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 27, 2023, Paragon filed a complaint against the Company in the Delaware Court of Chancery to enforce the demand that Paragon had made on July 17, 2023, to inspect the Company’s confidential books and records pursuant to Section 220 of the Delaware General Corporation Law. On October 20, 2023, a Magistrate of the Delaware Court of Chancery issued a telephonic report regarding this matter and indicated that Paragon had asserted a proper purpose for its inspection demand. On October 25, 2023, the Company filed a Notice of Exceptions with the Delaware Court of Chancery to take exceptions to the Magistrate’s report. In its Notice of Exceptions, the Company detailed the areas of the Magistrate’s report that the Company took exception to, including, but not limited to: (i) the report’s conclusion that Paragon had stated a proper purpose for its books and records demand; (ii) the report’s conclusion that the primary purpose motivating Paragon’s demand was Paragon’s stated purpose; (iii) the report’s conclusion that Paragon’s stated purpose for its demand was not pretextual and that Paragon did not have improper ulterior motives; and (iv) the report’s conclusion as to the scope of inspection to be permitted pursuant to Paragon’s demand. On November 14, 2023, the Company filed its opening brief with respect to this matter. As of the date hereof, Paragon has not filed its answering brief, and the Delaware Court of Chancery has not scheduled any further action with respect to this matter.</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"><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 October 9, 2023, Paragon initiated litigation in the Delaware Court of Chancery against the Company and the Board alleging claims for breach of fiduciary duty and seeking declaratory and injunctive relief, including an injunction to (i) <span id="xdx_90E_eus-gaap--LossContingencyAllegations_c20231008__20231009_zHnXP917LJrl" title="Description of litigation and allegations and cliam">prevent the Company from rejecting the purported nominating notice that Paragon submitted to the Company on August 25, 2023 to notify the Company of its intention to nominate a majority slate of nominees at the 2023 Annual Meeting (the “Purported Nominating Notice”), and (ii) require the Company to approve Paragon’s request for an exemption from the Company’s Section 382 Tax Benefits Preservation Plan so that Paragon could purchase up to 19.9% of the Company’s common stock without triggering the dilution that would otherwise apply to the holder of 4.99% or more of the Company’s common stock</span>. On November 30, 2023, the Delaware Court of Chancery denied Paragon’s request for injunctive relief to (i) block the Board from continuing to reject Paragon’s Purported Nominating Notice, and (ii) require the Board to grant Paragon the exemption it had requested from the Company’s Section 382 Tax Benefits Preservation Plan. Further, the Delaware Court of Chancery indicated that factual issues remain that would need to be resolved at a trial. On November 30, 2023, the Delaware Court of Chancery also granted, in part, a motion for sanctions against Paragon relating to the purported spoliation of text messages. As of the date hereof, the Delaware Court of Chancery has not scheduled any further action with respect to this matter, other than directing counsel for the Company and the Board to submit an affidavit detailing the reasonable fees and expenses incurred in filing their motion for sanctions and providing Paragon with an opportunity to respond.</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> </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>General Legal Matters</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">From time to time, the Company is involved in legal and administrative proceedings and claims of various types. The Company records a liability in its consolidated financial statements for these matters when a loss is known or considered probable and the amount can be reasonably estimated. The Company reviews these estimates each accounting period as additional information is known and adjusts the loss provision when appropriate. If a matter is both probable to result in a liability and the amounts of loss can be reasonably estimated, the Company estimates and discloses the possible loss or range of loss to the extent necessary to make the consolidated financial statements not misleading. If the loss is not probable or cannot be reasonably estimated, a liability is not recorded in its consolidated financial statements.</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> 279870 331000 279870 prevent the Company from rejecting the purported nominating notice that Paragon submitted to the Company on August 25, 2023 to notify the Company of its intention to nominate a majority slate of nominees at the 2023 Annual Meeting (the “Purported Nominating Notice”), and (ii) require the Company to approve Paragon’s request for an exemption from the Company’s Section 382 Tax Benefits Preservation Plan so that Paragon could purchase up to 19.9% of the Company’s common stock without triggering the dilution that would otherwise apply to the holder of 4.99% or more of the Company’s common stock <p id="xdx_805_eus-gaap--IncomeTaxDisclosureTextBlock_z74Yh52sKP28" style="font: 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>(15) <span id="xdx_828_zvkug8ZoCTMb">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">We account for income taxes in accordance with ASC 740. 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. The Company has no current or deferred tax due to current and projected losses for the year. The Company has appealed the results of the income tax audit in Spain for the period from 2011 to 2014, when the Company’s Spanish branch was closed (see Note 14). At October 31, 2023, the Company had no uncertain tax positions. The Company does not expect any material increase or decrease in its income tax expense or benefit in the next twelve months, related to examinations or uncertain tax positions. 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"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><i>Tax Preservation Plan</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">In June 2023, in order to protect the Company’s valuable tax assets related to its net operating losses from being limited or lost under Section 382 of the Internal Revenue Code, the Company adopted a Tax Benefits Preservation Plan (the “Plan”). Pursuant to the Plan, the Board declared a dividend of one preferred share purchase right (each, a “Right”) for each outstanding share of common stock of the Company. The dividend was distributed to stockholders of record as of the close of business on July 11, 2023. The Plan substantially diminishes the risk that the Company’s ability to utilize its net operating loss carryovers to reduce potential future federal income tax obligations may become substantially limited. The Plan is intended to act as a deterrent to any person or group acquiring beneficial ownership of <span id="xdx_900_ecustom--BusinessAcquisitionOutstandingCommonStockOwnershipPercentage_iI_dp_uPure_c20230630_zTp7i3bVMR44" title="Acquisition outstanding common stock ownership percentage">4.99</span>% or more of the outstanding common stock without approval by potentially subjecting any such person or group to significant dilution.</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 determined the grant date fair value of the Rights using an option-pricing model. The amount was immaterial to the consolidated financial statements and deemed to be de minimis, and accordingly was not recorded to the financial statements.</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> 0.0499 <p id="xdx_80F_eus-gaap--SegmentReportingDisclosureTextBlock_z4kmMWi75C8l" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>(16) <span id="xdx_821_zZsb6ly8aqY2">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 one reportable segment as the revenues associated with its different business lines are not material enough to justify segment reporting or to make it meaningful to investors, and our chief operating decision maker does not view the Company’s operations on a segment basis. The Company operates worldwide, with its U.S. operations in New Jersey, California, and Texas, and one operating subsidiary in the UK. Revenues and expenses are generally attributed to the operating unit that bills the customers. During each of the three and six months ended October 31, 2023 and 2022, the Company’s primary business operations were in North America and the Middle East.</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_80B_eus-gaap--SubsequentEventsTextBlock_zJSR7LClnktb" 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_821_zYgLPcf2jkkf">Subsequent Events</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 November 9, 2023 the Company entered into an agreement to divest its wholly owned subsidiary 3dent Technologies LLC, for nominal consideration back to its former owners from whom it was originally acquired in February 2021. This divestiture was done so that the Company can more fully focus its efforts and resources on the commercialization of its cutting-edge pipeline of products – particularly for the national security and defense markets.</span></p>