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 Changes in Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 995552 - Disclosure - Note 1 - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 995553 - Disclosure - Note 2 - Inventories, Net link:calculationLink link:definitionLink link:presentationLink 995554 - Disclosure - Note 3 - Allowance for Credit Losses link:calculationLink link:definitionLink link:presentationLink 995555 - Disclosure - Note 4 - Property, Plant and Equipment, Net link:calculationLink link:definitionLink link:presentationLink 995556 - Disclosure - Note 5 - Capitalized Software and Systems Integration Costs link:calculationLink link:definitionLink link:presentationLink 995557 - Disclosure - Note 6 - Debt link:calculationLink link:definitionLink link:presentationLink 995558 - Disclosure - Note 7 - Investments link:calculationLink link:definitionLink link:presentationLink 995559 - Disclosure - Note 8 - Leases link:calculationLink link:definitionLink link:presentationLink 995560 - Disclosure - Note 9 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 995561 - Disclosure - Note 10 - Earnings Per Share link:calculationLink link:definitionLink link:presentationLink 995562 - Disclosure - Note 11 - Non-Cash Share-Based Compensation link:calculationLink link:definitionLink link:presentationLink 995563 - Disclosure - Note 12 - Other Equity Transactions link:calculationLink link:definitionLink link:presentationLink 995564 - Disclosure - Note 13 - Significant Customers link:calculationLink link:definitionLink link:presentationLink 995565 - Disclosure - Note 14 - Retirement Plan link:calculationLink link:definitionLink link:presentationLink 995566 - Disclosure - Note 15 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 995567 - Disclosure - Note 16 - Capital Programs link:calculationLink link:definitionLink link:presentationLink 995571 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995572 - Disclosure - Note 1 - Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995573 - Disclosure - Note 2 - Inventories, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 995574 - Disclosure - Note 3 - Allowance for Credit Losses (Tables) link:calculationLink link:definitionLink link:presentationLink 995575 - Disclosure - Note 4 - Property, Plant and Equipment, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 995576 - Disclosure - Note 8 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995577 - Disclosure - Note 9 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 995578 - Disclosure - Note 10 - Earnings Per Share (Tables) link:calculationLink link:definitionLink link:presentationLink 995579 - Disclosure - Note 11 - Non-Cash Share-Based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 995580 - Disclosure - Note 12 - Other Equity Transactions (Tables) link:calculationLink link:definitionLink link:presentationLink 995581 - Disclosure - Note 13 - Significant Customers (Tables) link:calculationLink link:definitionLink link:presentationLink 995582 - Disclosure - Note 15 - Commitments and Contingencies (Tables) link:calculationLink link:definitionLink link:presentationLink 995583 - Disclosure - Note 1 - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995584 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Segment Reporting (Details) link:calculationLink link:definitionLink link:presentationLink 995585 - Disclosure - Note 2 - Inventories, Net (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995586 - Disclosure - Note 2 - Inventories, Net - Schedule of Current Inventory (Details) link:calculationLink link:definitionLink link:presentationLink 995587 - Disclosure - Note 2 - Inventories, Net - Schedule of Slow-moving, Excess, and Obsolete Inventory (Details) link:calculationLink link:definitionLink link:presentationLink 995588 - Disclosure - Note 3 - Allowance for Credit Losses - Schedule of Allowance for Credit Losses (Details) link:calculationLink link:definitionLink link:presentationLink 995589 - Disclosure - Note 4 - Property, Plant and Equipment, Net (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995590 - Disclosure - Note 4 - Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995591 - Disclosure - Note 5 - Capitalized Software and Systems Integration Costs (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995592 - Disclosure - Note 6 - Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995593 - Disclosure - Note 7 - Investments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995594 - Disclosure - Note 8 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995595 - Disclosure - Note 8 - Leases - Schedule of Lease Costs (Details) link:calculationLink link:definitionLink link:presentationLink 995596 - Disclosure - Note 8 - Leases - Schedule of Supplemental Cash Flow Information (Details) link:calculationLink link:definitionLink link:presentationLink 995597 - Disclosure - Note 8 - Leases - Schedule of Operating Lease Liabilities Maturity Payments (Details) link:calculationLink link:definitionLink link:presentationLink 995598 - Disclosure - Note 9 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995599 - Disclosure - Note 9 - Income Taxes - Schedule of Income Before Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995600 - Disclosure - Note 9 - Income Taxes - Summary of Income Tax Expense (Benefit) (Details) link:calculationLink link:definitionLink link:presentationLink 995601 - Disclosure - Note 9 - Income Taxes - Schedule of Income Tax Reconciliation (Details) link:calculationLink link:definitionLink link:presentationLink 995602 - Disclosure - Note 9 - Income Taxes - Schedule of Cash Paid for Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995603 - Disclosure - Note 9 - Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995604 - Disclosure - Note 9 - Income Taxes - Schedule of Unrecognized Tax Benefits (Details) link:calculationLink link:definitionLink link:presentationLink 995605 - Disclosure - Note 10 - Earnings Per Share (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995606 - Disclosure - Note 10 - Earnings Per Share - Schedule Of Computation Of Basic And Diluted Income Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 995607 - Disclosure - Note 11 - Non-Cash Share-Based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995608 - Disclosure - Note 11 - Non-Cash Share-Based Compensation - Valuation Technique For Stock Options (Details) link:calculationLink link:definitionLink link:presentationLink 995609 - Disclosure - Note 11 - Non - Cash Share-Based Compensation - Schedule of Stock Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995610 - Disclosure - Note 11 - Non-Cash Share-Based Compensation - Schedule of Stock Option Plans Exercise Price Range (Details) link:calculationLink link:definitionLink link:presentationLink 995611 - Disclosure - Note 11 - Non-Cash Share-Based Compensation - Summary of Non-vested Restricted Stock (Details) link:calculationLink link:definitionLink link:presentationLink 995612 - Disclosure - Note 12 - Other Equity Transactions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995613 - Disclosure - Note 12 - Other Equity Transactions - Expected Volatility of Equity (Details) link:calculationLink link:definitionLink link:presentationLink 995614 - Disclosure - Note 13 - Significant Customers (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995615 - Disclosure - Note 13 - Significant Customers - Concentration of Risk by Customer (Details) link:calculationLink link:definitionLink link:presentationLink 995616 - Disclosure - Note 14 - Retirement Plan (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995617 - Disclosure - Note 15 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995618 - Disclosure - Note 15 - Commitments and Contingencies - Schedule of Liability Product Warranties (Details) link:calculationLink link:definitionLink link:presentationLink 995619 - Disclosure - Note 16 - Capital Programs (Details Textual) link:calculationLink link:definitionLink link:presentationLink