000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statements of Operations (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Comprehensive Loss (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Stockholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 1 - Background, Basis of Presentation and Liquidity link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 2 - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 3 - Marketable Securities link:calculationLink link:definitionLink link:presentationLink 010 - Document - Note 4 - Balance Sheet Detail link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 5 - Related Party Transactions link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 6 - Debt link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 7 - Deferred Credits Payable link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 8 - Stock-Based Compensation Plans link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 9 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 10 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 11 - Operating Segments and Geographic Information link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 3 - Marketable Securities (Tables) link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 4 - Balance Sheet Detail (Tables) link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 5 - Related Party Transactions (Tables) link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 6 - Debt (Tables) link:calculationLink link:definitionLink link:presentationLink 024 - Disclosure - Note 8 - Stock-Based Compensation Plans (Tables) link:calculationLink link:definitionLink link:presentationLink 025 - Disclosure - Note 11 - Operating Segments and Geographic Information (Tables) link:calculationLink link:definitionLink link:presentationLink 026 - Disclosure - Note 1 - Background, Basis of Presentation and Liquidity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 027 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 028 - Statement - Note 2 - Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) link:calculationLink link:definitionLink link:presentationLink 029 - Statement - Note 2 - Summary of Significant Accounting Policies - Cash Restricted Under Security Agreements (Details) link:calculationLink link:definitionLink link:presentationLink 030 - Statement - Note 2 - Summary of Significant Accounting Policies - Foreign Exchange Gain (Loss) (Details) link:calculationLink link:definitionLink link:presentationLink 031 - Statement - Note 2 - Summary of Significant Accounting Policies - Foreign Currency Denominated Certificates of Deposit and Cash Accounts (Details) link:calculationLink link:definitionLink link:presentationLink 032 - Statement - Note 2 - Summary of Significant Accounting Policies - Revenues by Major Customers (Details) link:calculationLink link:definitionLink link:presentationLink 033 - Statement - Note 3 - Marketable Securities - Marketable Securities That Mature Within One Year (Details) link:calculationLink link:definitionLink link:presentationLink 034 - Statement - Note 4 - Balance Sheet Detail - Balance Sheet Details (Details) link:calculationLink link:definitionLink link:presentationLink 035 - Disclosure - Note 5 - Related Party Transactions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 036 - Statement - Note 5 - Related Party Transactions - Related Party Transactions (Details) link:calculationLink link:definitionLink link:presentationLink 037 - Disclosure - Note 6 - Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 038 - Statement - Note 6 - Debt - Long-term Debt (Details) link:calculationLink link:definitionLink link:presentationLink 039 - Disclosure - Note 7 - Deferred Credits Payable (Details Textual) link:calculationLink link:definitionLink link:presentationLink 040 - Disclosure - Note 8 - Stock-Based Compensation Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 041 - Statement - Note 8 - Weighted Average Fair Value Assumptions for Stock-Based Compensation (Details) link:calculationLink link:definitionLink link:presentationLink 042 - Statement - Note 8 - Stock-Based Compensation - Stock Options Under the Plans (Details) link:calculationLink link:definitionLink link:presentationLink 043 - Statement - Note 8 - Stock-Based Compensation - Non-vested Restricted Stock Under the Plans (Details) link:calculationLink link:definitionLink link:presentationLink 044 - Disclosure - Note 9 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 045 - Disclosure - Note 10 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 046 - Disclosure - Note 11 - Operating Segments and Geographic Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 047 - Statement - Note 11 - Operating Segments and Geographic Information - Geographic Segment Information (Details) link:calculationLink link:definitionLink link:presentationLink