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 Statement of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Condensed Consolidated Statements of Shareholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 2 - Marketable Securities and Investment Other Securities link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 3 - Inventory link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 4 - Property and Equipment link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 5 - Intangible Assets link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 6 - Related Party Transactions link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 7 - Shareholders' Equity link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 8 - Stock Based Compensation link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 9 - Warrants link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 10 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 11 - Note Payable link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 12 - Leases link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 13 - Loss Per Share link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 14 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 15 - Segment Information link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 16 - Business Combination link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 17 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 3 - Inventory (Tables) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 4 - Property and Equipment (Tables) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 5 - Intangible Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 8 - Stock Based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 9 - Warrants (Tables) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 12 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 16 - Business Combination (Tables) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies - Allowance for Credit Losses (Details) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 2 - Marketable Securities and Investment Other Securities (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 3 - Inventory - Schedule of Inventory (Details) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 4 - Property and Equipment (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 4 - Property and Equipment - Major Classes of Property and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995485 - Disclosure - Note 5 - Intangible Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995486 - Disclosure - Note 5 - Intangible Assets - Schedule of Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995487 - Disclosure - Note 7 - Shareholders' Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995488 - Disclosure - Note 8 - Stock Based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995489 - Disclosure - Note 8 - Stock Based Compensation - Summary of Stock Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995490 - Disclosure - Note 9 - Warrants - Schedule of Equity-Classified Warrants (Details) link:calculationLink link:definitionLink link:presentationLink 995491 - Disclosure - Note 9 - Warrants - Summary of Outstanding Common Stock Purchase Warrants (Details) link:calculationLink link:definitionLink link:presentationLink 995492 - Disclosure - Note 11 - Note Payable (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995493 - Disclosure - Note 12 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995494 - Disclosure - Note 12 - Leases - Operating Lease Costs and Supplemental Cash Flow Information (Details) link:calculationLink link:definitionLink link:presentationLink 995495 - Disclosure - Note 12 - Leases - Future Minimum Aggregate Lease Payments (Details) link:calculationLink link:definitionLink link:presentationLink 995496 - Disclosure - Note 13 - Loss Per Share (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995497 - Disclosure - Note 14 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995498 - Disclosure - Note 15 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995499 - Disclosure - Note 16 - Business Combination (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995500 - Disclosure - Note 16 - Businesss Combination - Assets Acquired (Details) link:calculationLink link:definitionLink link:presentationLink 995501 - Disclosure - Note 17 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink