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 Changes in Stockholders' Equity (Deficit) (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - 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 - Liquidity and Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 3 - Property and Equipment link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 4 - Distribution Agreement with Smith+Nephew link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 5 - Stock Purchase Warrants link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 6 - Secured Promissory Notes link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 7 - Equity and Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 8 - Fair Value link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 9 - Segment Information link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 10 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 11 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995445 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995446 - Disclosure - Note 2 - Liquidity and Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995447 - Disclosure - Note 3 - Property and Equipment (Tables) link:calculationLink link:definitionLink link:presentationLink 995448 - Disclosure - Note 5 - Stock Purchase Warrants (Tables) link:calculationLink link:definitionLink link:presentationLink 995449 - Disclosure - Note 7 - Equity and Stock-based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 995450 - Disclosure - Note 8 - Fair Value (Tables) link:calculationLink link:definitionLink link:presentationLink 995451 - Disclosure - Note 9 - Segment Information (Tables) link:calculationLink link:definitionLink link:presentationLink 995452 - Disclosure - Note 10 - Commitments and Contingencies (Tables) link:calculationLink link:definitionLink link:presentationLink 995453 - Disclosure - Note 2 - Liquidity and Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995454 - Disclosure - Note 2 - Liquidity and Summary of Significant Accounting Policies - Summary of Concentration Risk (Details) link:calculationLink link:definitionLink link:presentationLink 995455 - Disclosure - Note 2 - Liquidity and Summary of Significant Accounting Policies - Schedule of Option Assumptions (Details) link:calculationLink link:definitionLink link:presentationLink 995456 - Disclosure - Note 2 - Liquidity and Summary of Significant Accounting Policies - Anti-dilutive Securities Excluded From the Computation of Diluted Earnings (Loss) Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 995457 - Disclosure - Note 3 - Property and Equipment (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995458 - Disclosure - Note 3 - Property and Equipment - Property and Equipment, Net (Details) link:calculationLink link:definitionLink link:presentationLink 995459 - Disclosure - Note 4 - Distribution Agreement with Smith+Nephew (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995460 - Disclosure - Note 5 - Stock Purchase Warrants (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995461 - Disclosure - Note 5 - Stock Purchase Warrants - Outstanding Stock Purchase Warrants (Details) link:calculationLink link:definitionLink link:presentationLink 995462 - Disclosure - Note 6 - Secured Promissory Notes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995463 - Disclosure - Note 7 - Equity and Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995464 - Disclosure - Note 7 - Equity and Stock-based Compensation - Stock Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995465 - Disclosure - Note 8 - Fair Value - Schedule of Liabilities at Fair Value (Details) link:calculationLink link:definitionLink link:presentationLink 995466 - Disclosure - Note 8 - Fair Value - Changes in Fair Value Measurements (Details) link:calculationLink link:definitionLink link:presentationLink 995467 - Disclosure - Note 9 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Note 9 - Segment Information - Schedule of Segment Reporting Information (Details) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 10 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 10 - Commitments and Contingencies - Future Undiscounted Cash Flows (Details) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 11 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink