000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Balance Sheets link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Balance Sheets (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statements of Operations link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Comprehensive Income link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Changes in Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 995555 - Disclosure - Note 1 - Organization, Liquidity and Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 995556 - Disclosure - Note 2 - New Accounting Pronouncements link:calculationLink link:definitionLink link:presentationLink 995557 - Disclosure - Note 3 - Revenue From Contracts With Customers link:calculationLink link:definitionLink link:presentationLink 995558 - Disclosure - Note 4 - Supplemental Statements of Cash Flows Information link:calculationLink link:definitionLink link:presentationLink 995559 - Disclosure - Note 5 - Inventories link:calculationLink link:definitionLink link:presentationLink 995560 - Disclosure - Note 6 - Property and Equipment link:calculationLink link:definitionLink link:presentationLink 995561 - Disclosure - Note 7 - Leases link:calculationLink link:definitionLink link:presentationLink 995562 - Disclosure - Note 8 - Intangible Assets link:calculationLink link:definitionLink link:presentationLink 995563 - Disclosure - Note 9 - Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 995564 - Disclosure - Note 10 - Related Party Transaction link:calculationLink link:definitionLink link:presentationLink 995565 - Disclosure - Note 11 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 995566 - Disclosure - Note 12 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 995567 - Disclosure - Note 13 - Stock Option Plans link:calculationLink link:definitionLink link:presentationLink 995568 - Disclosure - Note 14 - Segment Reporting link:calculationLink link:definitionLink link:presentationLink 995569 - Disclosure - Note 15 - Concentrations link:calculationLink link:definitionLink link:presentationLink 995570 - Disclosure - Note 16 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995571 - Disclosure - Schedule II - Valuation and Qualifying Accounts link:calculationLink link:definitionLink link:presentationLink 995572 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995573 - Disclosure - Note 1 - Organization, Liquidity and Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995574 - Disclosure - Note 3 - Revenue From Contracts With Customers (Tables) link:calculationLink link:definitionLink link:presentationLink 995575 - Disclosure - Note 4 - Supplemental Statements of Cash Flows Information (Tables) link:calculationLink link:definitionLink link:presentationLink 995576 - Disclosure - Note 5 - Inventories (Tables) link:calculationLink link:definitionLink link:presentationLink 995577 - Disclosure - Note 6 - Property and Equipment (Tables) link:calculationLink link:definitionLink link:presentationLink 995578 - Disclosure - Note 7 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995579 - Disclosure - Note 8 - Intangible Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 995580 - Disclosure - Note 11 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 995581 - Disclosure - Note 13 - Stock Option Plans (Tables) link:calculationLink link:definitionLink link:presentationLink 995582 - Disclosure - Note 14 - Segment Reporting (Tables) link:calculationLink link:definitionLink link:presentationLink 995583 - Disclosure - Schedule II - Valuation and Qualifying Accounts (Tables) link:calculationLink link:definitionLink link:presentationLink 995584 - Disclosure - Note 1 - Organization, Liquidity and Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995585 - Disclosure - Note 1 - Organization, Liquidity and Summary of Significant Accounting Policies - Earnings Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 995586 - Disclosure - Note 3 - Revenue From Contracts With Customers (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995587 - Disclosure - Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) link:calculationLink link:definitionLink link:presentationLink 995588 - Disclosure - Note 3 - Revenue From Contracts With Customers - Contract Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995589 - Disclosure - Note 4 - Supplemental Statements of Cash Flows Information - Supplemental Statements of Cash Flows Information (Details) link:calculationLink link:definitionLink link:presentationLink 995590 - Disclosure - Note 5 - Inventories - Inventories From Continuing Operations (Details) link:calculationLink link:definitionLink link:presentationLink 995591 - Disclosure - Note 6 - Property and Equipment (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995592 - Disclosure - Note 6 - Property and Equipment - Property and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995593 - Disclosure - Note 6 - Property and Equipment - Location of Property and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995594 - Disclosure - Note 7 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995595 - Disclosure - Note 7 - Leases - Supplemental Balance Sheet Information (Details) link:calculationLink link:definitionLink link:presentationLink 995596 - Disclosure - Note 7 - Leases - Supplemental Cash Flow Information (Details) link:calculationLink link:definitionLink link:presentationLink 995597 - Disclosure - Note 7 - Leases - Maturities of Lease Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995598 - Disclosure - Note 8 - Intangible Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995599 - Disclosure - Note 8 - Intangible Assets - Schedule of Goodwill and Other Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995600 - Disclosure - Note 8 - Intangible Assets - Future Estimated Amortization Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995601 - Disclosure - Note 9 - Stockholders' Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995602 - Disclosure - Note 10 - Related Party Transaction (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995603 - Disclosure - Note 11 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995604 - Disclosure - Note 11 - Income Taxes - Income Taxes Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995605 - Disclosure - Note 11 - Income Taxes - Reconciliation of Income Tax Expense (Benefit) (Details) link:calculationLink link:definitionLink link:presentationLink 995606 - Disclosure - Note 11 - Income Taxes - Reconciliation of Income Tax Expense (Benefit) (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 995607 - Disclosure - Note 11 - Income Taxes - Deferred Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995608 - Disclosure - Note 12 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995609 - Disclosure - Note 13 - Stock Option Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995610 - Disclosure - Note 13 - Stock Option Plans - Fair Value Assumptions (Details) link:calculationLink link:definitionLink link:presentationLink 995611 - Disclosure - Note 13 - Stock Option Plans - Stock Option Activiy (Details) link:calculationLink link:definitionLink link:presentationLink 995612 - Disclosure - Note 14 - Segment Reporting (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995613 - Disclosure - Note 14 - Segment Reporting - Schedule of Segment Reporting Information, By Segment (Details) link:calculationLink link:definitionLink link:presentationLink 995614 - Disclosure - Note 14 - Segment Reporting - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) link:calculationLink link:definitionLink link:presentationLink 995615 - Disclosure - Note 14 - Segment Reporting - Reconciliation of Assets from Segment to Consolidated (Details) link:calculationLink link:definitionLink link:presentationLink 995616 - Disclosure - Note 14 - Segment Reporting - Long-Lived Assets by Geographic Areas (Details) link:calculationLink link:definitionLink link:presentationLink 995617 - Disclosure - Note 15 - Concentrations (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995618 - Disclosure - Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details) link:calculationLink link:definitionLink link:presentationLink