000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Condensed Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Condensed Statements of Operations (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Condensed Statements of Stockholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Disclosure - Note 1 - Basis of Presentation link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 2 - Liquidity, Going Concern and Other Uncertainties link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 3 - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 4 - Debt link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 5 - Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 6 - Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 7 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 8 - Segment Information 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 3 - Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995463 - Disclosure - Note 4 - Debt (Tables) link:calculationLink link:definitionLink link:presentationLink 995464 - Disclosure - Note 5 - Stockholders' Equity (Tables) link:calculationLink link:definitionLink link:presentationLink 995465 - Disclosure - Note 6 - Stock-based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 995466 - Disclosure - Note 7 - Commitments and Contingencies (Tables) link:calculationLink link:definitionLink link:presentationLink 995467 - Disclosure - Note 8 - Segment Information (Tables) link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Note 1 - Basis of Presentation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 2 - Liquidity, Going Concern and Other Uncertainties (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 3 - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 3 - Summary of Significant Accounting Policies - Inventory (Details) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 3 - Summary of Significant Accounting Policies - Property and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 4 - Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 4 - Debt - Debt (Details) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 5 - Stockholders' Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 5 - Stockholders' Equity - Warrant Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 6 - Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 6 - Stock-based Compensation - Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 6 - Stock-based Compensation - RSU and Restricted Stock Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 7 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 7 - Commitments and Contingencies - Lease Information (Details) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 7 - Commitments and Contingencies - Lease Maturities (Details) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 8 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 8 - Segment Information - Summary of Financial Information (Details) link:calculationLink link:definitionLink link:presentationLink 995485 - Disclosure - Note 9 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink