000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Balance Sheets link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Balance Sheets (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Statements of Operations link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Statements of Changes in Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 995550 - Disclosure - Note 1 - Nature of Business link:calculationLink link:definitionLink link:presentationLink 995551 - Disclosure - Note 2 - Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 995552 - Disclosure - Note 3 - Inventories link:calculationLink link:definitionLink link:presentationLink 995553 - Disclosure - Note 4 - Intangible Assets link:calculationLink link:definitionLink link:presentationLink 995554 - Disclosure - Note 5 - Line of Credit link:calculationLink link:definitionLink link:presentationLink 995555 - Disclosure - Note 6 - Paycheck Protection Program Loan link:calculationLink link:definitionLink link:presentationLink 995556 - Disclosure - Note 7 - Leases link:calculationLink link:definitionLink link:presentationLink 995557 - Disclosure - Note 8 - Concentrations link:calculationLink link:definitionLink link:presentationLink 995558 - Disclosure - Note 9 - Segment Information link:calculationLink link:definitionLink link:presentationLink 995559 - Disclosure - Note 10 - Disaggregated Net Revenues link:calculationLink link:definitionLink link:presentationLink 995560 - Disclosure - Note 11 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 995561 - Disclosure - Note 12 - Fair Value Measurements link:calculationLink link:definitionLink link:presentationLink 995562 - Disclosure - Note 13 - 401(k) Retirement Plan link:calculationLink link:definitionLink link:presentationLink 995563 - Disclosure - Note 14 - Legal Proceedings link:calculationLink link:definitionLink link:presentationLink 995564 - Disclosure - Note 15 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995565 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995566 - Disclosure - Note 2 - Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995567 - Disclosure - Note 3 - Inventories (Tables) link:calculationLink link:definitionLink link:presentationLink 995568 - Disclosure - Note 4 - Intangible Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 995569 - Disclosure - Note 7 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995570 - Disclosure - Note 9 - Segment Information (Tables) link:calculationLink link:definitionLink link:presentationLink 995571 - Disclosure - Note 10 - Disaggregated Net Revenues (Tables) link:calculationLink link:definitionLink link:presentationLink 995572 - Disclosure - Note 11 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 995573 - Disclosure - Note 12 - Fair Value Measurements (Tables) link:calculationLink link:definitionLink link:presentationLink 995574 - Disclosure - Note 2 - Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995575 - Disclosure - Note 2 - Significant Accounting Policies - Disaggregation of Revenue (Details) link:calculationLink link:definitionLink link:presentationLink 995576 - Disclosure - Note 3 - Inventories - Summary of Inventory (Details) link:calculationLink link:definitionLink link:presentationLink 995577 - Disclosure - Note 4 - Intangible Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995578 - Disclosure - Note 4 - Intangible Assets - Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995579 - Disclosure - Note 4 - Intangible Assets - Estimated Aggregate Future Amortization Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995580 - Disclosure - Note 5 - Line of Credit (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995581 - Disclosure - Note 6 - Paycheck Protection Program Loan (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995582 - Disclosure - Note 7 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995583 - Disclosure - Note 7 - Leases - Future Minimum Lease Payments (Details) link:calculationLink link:definitionLink link:presentationLink 995584 - Disclosure - Note 8 - Concentrations (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995585 - Disclosure - Note 9 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995586 - Disclosure - Note 9 - Segment Information - Summary of Segment Information (Details) link:calculationLink link:definitionLink link:presentationLink 995587 - Disclosure - Note 10 - Disaggregated Net Revenues - Net Revenue, Classified by Geography (Details) link:calculationLink link:definitionLink link:presentationLink 995588 - Disclosure - Note 11 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995589 - Disclosure - Note 11 - Income Taxes - Components of Income Tax Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995590 - Disclosure - Note 11 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995591 - Disclosure - Note 11 - Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) link:calculationLink link:definitionLink link:presentationLink 995592 - Disclosure - Note 11 - Income Taxes - Income Taxes Paid (Details) link:calculationLink link:definitionLink link:presentationLink 995593 - Disclosure - Note 11 - Income Taxes - Unrecognized Tax Benefits (Details) link:calculationLink link:definitionLink link:presentationLink 995594 - Disclosure - Note 12 - Fair Value Measurements - Schedule of Fair Value Measurements Inputs (Details) link:calculationLink link:definitionLink link:presentationLink 995595 - Disclosure - Note 13 - 401(k) Retirement Plan (Details Textual) link:calculationLink link:definitionLink link:presentationLink