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 and Comprehensive Income (Loss) (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Condensed Consolidated Statements of Stockholders' 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 - Nature of Business and Liquidity link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 2 - Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 3 - Cash Equivalents and Investments link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 4 - Capital Stock link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 5 - Stock Incentive Plan link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 6 - Related Party Transactions link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 7 - Net Income (Loss) Per Share link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 8 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 9 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995461 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995462 - Disclosure - Note 2 - Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995463 - Disclosure - Note 3 - Cash Equivalents and Investments (Tables) link:calculationLink link:definitionLink link:presentationLink 995464 - Disclosure - Note 5 - Stock Incentive Plan (Tables) link:calculationLink link:definitionLink link:presentationLink 995465 - Disclosure - Note 7 - Net Income (Loss) Per Share (Tables) link:calculationLink link:definitionLink link:presentationLink 995466 - Disclosure - Note 8 - Commitments and Contingencies (Tables) link:calculationLink link:definitionLink link:presentationLink 995467 - Disclosure - Note 1 - Nature of Business and Liquidity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Note 2 - Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 2 - Significant Accounting Policies - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 3 - Cash Equivalents and Investments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 3 - Cash Equivalents and Investments - Schedule of Investments (Details) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 3 - Cash Equivalents and Investments - Held-to-maturity Investments (Details) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 4 - Capital Stock (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 5 - Stock Incentive Plan 1 (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 5 - Stock Incentive Plan 2 (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 5 - Stock Incentive Plan - Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 5 - Stock Incentive Plan - Options Outstanding (Details) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 5 - Stock Incentive Plan - Restricted Unit Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 5 - Stock Incentive Plan - Schedule of Option Grants and Fair Value (Details) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 7 - Net Income (Loss) Per Share - Basic and Diluted Loss Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 8 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 8 - Commitments and Contingencies - Summary of Lease Cost (Details) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 8 - Commitments and Contingencies - Maturities of Lease Liability (Details) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 8 - Commitments and Contingencies - Supplemental Balance Sheet Lease Information (Details) link:calculationLink link:definitionLink link:presentationLink