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 Statements of Comprehensive Income (Loss) (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 1 - Organization, Liquidity, and Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 2 - Sale of Subsidiary link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 3 - Basis of Presentation link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 4 - Discontinued Operations link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 5 - New Accounting Pronouncements link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 6 - Revenue From Contracts With Customers link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 7 - Balance Sheet link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 8 - Leases link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 9 - Intangible Assets link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 10 - Notes Payable link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 11 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 12 - Earnings Per Share link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 13 - Related Party Transaction link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 14 - Equity and Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 15 - Segment Reporting link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Note 4 - Discontinued Operations (Tables) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 6 - Revenue From Contracts With Customers (Tables) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 7 - Balance Sheet (Tables) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 8 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 9 - Intangible Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 1 - Organization, Liquidity, and Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 2 - Sale of Subsidiary (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 4 - Discontinued Operations - Held for Sale and Discontinued Operations (Details) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 6 - Revenue From Contracts With Customers (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 6 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 6 - Revenue From Contracts With Customers - Contract Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 7 - Balance Sheet (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 7 - Balance Sheet - Schedule of Inventories (Details) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 7 - Balance Sheet - Schedule of Property, Plant and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 8 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 8 - Leases - Supplemental Balance Sheet Information (Details) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 8 - Leases - Supplemental Cash Flow Information (Details) link:calculationLink link:definitionLink link:presentationLink 995485 - Disclosure - Note 8 - Leases - Maturities of Lease Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995486 - Disclosure - Note 9 - Intangible Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995487 - Disclosure - Note 9 - Intangible Assets - Schedule of Goodwill and Other Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995488 - Disclosure - Note 9 - Intangible Assets - Future Estimated Amortization Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995489 - Disclosure - Note 10 - Notes Payable (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995490 - Disclosure - Note 11 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995491 - Disclosure - Note 12 - Earnings Per Share (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995492 - Disclosure - Note 13 - Related Party Transaction (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995493 - Disclosure - Note 14 - Equity and Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995494 - Disclosure - Note 15 - Segment Reporting (Details Textual) link:calculationLink link:definitionLink link:presentationLink