000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Condensed Consolidated Statements of Operations (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Condensed Consolidated Statements of Stockholders' (Deficit) Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Disclosure - Note 1 - Description of Business link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 2 - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 3 - Dissolution of Subsidiary link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 4 - Revenue and Contracts with Customers link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 5 - Balance Sheet Components link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 6 - Operating Leases link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 7 - Intangible Assets, Net link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 8 - Capital Structure link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 9 - Net Loss Per Share Attributable to Common Stockholders link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 10 - Stock-based Compensation Expense link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 11 - Retirement Savings Plan link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 12 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 13 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 14 - Risks and Uncertainties link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 15 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995467 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 5 - Balance Sheet Components (Tables) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 6 - Operating Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 7 - Intangible Assets, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 8 - Capital Structure (Tables) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 9 - Net Loss Per Share Attributable to Common Stockholders (Tables) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 10 - Stock-based Compensation Expense (Tables) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 1 - Description of Business (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 2 - Summary of Significant Accounting Policies - Schedule of Useful Lives (Details) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 2 - Summary of Significant Accounting Policies - Schedule of Concentration Risks (Details) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 4 - Revenue and Contracts with Customers 1 (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 4 - Revenue and Contracts with Customers 2 (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 5 - Balance Sheet Components (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 5- Balance Sheet Components - Schedule of Financial Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 5 - Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 5 - Balance Sheet Components - Schedule of Property, Plant, and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995485 - Disclosure - Note 5 - Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilites (Details) link:calculationLink link:definitionLink link:presentationLink 995486 - Disclosure - Note 6 - Operating Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995487 - Disclosure - Note 6 - Operating Leases - Schedule of Future Lease Payments (Details) link:calculationLink link:definitionLink link:presentationLink 995488 - Disclosure - Note 6 - Operating Leases - Schedule of Lease Information (Details) link:calculationLink link:definitionLink link:presentationLink 995489 - Disclosure - Note 7 - Intangible Assets, Net (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995490 - Disclosure - Note 7 - Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) link:calculationLink link:definitionLink link:presentationLink 995491 - Disclosure - Note 7 - Intangible Assets, Net - Schedule of Estimated Amortization Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995492 - Disclosure - Note 8 - Capital Structure (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995493 - Disclosure - Note 8 - Capital Structure - Schedule of Warrants (Details) link:calculationLink link:definitionLink link:presentationLink 995494 - Disclosure - Note 8 - Capital Structure - Schedule of Warrant Valuation Assumptions (Details) link:calculationLink link:definitionLink link:presentationLink 995495 - Disclosure - Note 9 - Net Loss Per Share Attributable to Common Stockholders (Details) link:calculationLink link:definitionLink link:presentationLink 995496 - Disclosure - Note 10 - Stock-based Compensation Expense (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995497 - Disclosure - Note 10 - Stock-based Compensation Expense - Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995498 - Disclosure - Note 10 - Stock-based Compensation Expense - Schedule of Valuation Assumptions (Details) link:calculationLink link:definitionLink link:presentationLink 995499 - Disclosure - Note 12 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995500 - Disclosure - Note 13 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink