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 Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 995551 - Disclosure - Note 1 - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 995552 - Disclosure - Note 2 - Discontinued Operations link:calculationLink link:definitionLink link:presentationLink 995553 - Disclosure - Note 3 - Accounts Receivable link:calculationLink link:definitionLink link:presentationLink 995554 - Disclosure - Note 4 - Inventories link:calculationLink link:definitionLink link:presentationLink 995555 - Disclosure - Note 5 - Contracts in Progress link:calculationLink link:definitionLink link:presentationLink 995556 - Disclosure - Note 6 - Property, Plant, and Equipment link:calculationLink link:definitionLink link:presentationLink 995557 - Disclosure - Note 7 - Assets Held for Lease link:calculationLink link:definitionLink link:presentationLink 995558 - Disclosure - Note 8 - Accrued Expenses link:calculationLink link:definitionLink link:presentationLink 995559 - Disclosure - Note 9 - Product Warranty link:calculationLink link:definitionLink link:presentationLink 995560 - Disclosure - Note 10 - Loan and Credit Agreements link:calculationLink link:definitionLink link:presentationLink 995561 - Disclosure - Note 11 - Related Party Transactions link:calculationLink link:definitionLink link:presentationLink 995562 - Disclosure - Note 12 - Employee Benefit Plans link:calculationLink link:definitionLink link:presentationLink 995563 - Disclosure - Note 13 - Equity Incentive Plan link:calculationLink link:definitionLink link:presentationLink 995564 - Disclosure - Note 14 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 995565 - Disclosure - Note 15 - Disclosures About the Fair Value of Financial Instruments link:calculationLink link:definitionLink link:presentationLink 995566 - Disclosure - Note 16 - Litigation and Contingencies link:calculationLink link:definitionLink link:presentationLink 995567 - Disclosure - Note 17 - Segment Information link:calculationLink link:definitionLink link:presentationLink 995568 - Disclosure - Note 18 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995572 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995573 - Disclosure - Note 1 - Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995574 - Disclosure - Note 2 - Discontinued Operations (Tables) link:calculationLink link:definitionLink link:presentationLink 995575 - Disclosure - Note 3 - Accounts Receivable (Tables) link:calculationLink link:definitionLink link:presentationLink 995576 - Disclosure - Note 4 - Inventories (Tables) link:calculationLink link:definitionLink link:presentationLink 995577 - Disclosure - Note 5 - Contracts in Progress (Tables) link:calculationLink link:definitionLink link:presentationLink 995578 - Disclosure - Note 6 - Property, Plant, and Equipment (Tables) link:calculationLink link:definitionLink link:presentationLink 995579 - Disclosure - Note 7 - Assets Held for Lease (Tables) link:calculationLink link:definitionLink link:presentationLink 995580 - Disclosure - Note 8 - Accrued Expenses (Tables) link:calculationLink link:definitionLink link:presentationLink 995581 - Disclosure - Note 9 - Product Warranty (Tables) link:calculationLink link:definitionLink link:presentationLink 995582 - Disclosure - Note 10 - Loan and Credit Agreements (Tables) link:calculationLink link:definitionLink link:presentationLink 995583 - Disclosure - Note 13 - Equity Incentive Plan (Tables) link:calculationLink link:definitionLink link:presentationLink 995584 - Disclosure - Note 14 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 995585 - Disclosure - Note 17 - Segment Information (Tables) link:calculationLink link:definitionLink link:presentationLink 995586 - Disclosure - Note 1 - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995587 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Components of Operating Leases (Details) link:calculationLink link:definitionLink link:presentationLink 995588 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Components of Operating Leases (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 995589 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Components of Finance Leases (Details) link:calculationLink link:definitionLink link:presentationLink 995590 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Components of Finance Leases (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 995591 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Maturities of Finance Lease Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995592 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Disaggregated Revenue From External Customer (Details) link:calculationLink link:definitionLink link:presentationLink 995593 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Contract With Customers (Details) link:calculationLink link:definitionLink link:presentationLink 995594 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Basic and Diluted Earnings Per Common Share (Details) link:calculationLink link:definitionLink link:presentationLink 995595 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Summary of Amounts Recorded on Operating Segments Related to ERC Refunds (Details) link:calculationLink link:definitionLink link:presentationLink 995596 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Summary of Amounts Recorded on Operating Segments Related to ERC Refunds (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 995597 - Disclosure - Note 2 - Discontinued Operations (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995598 - Disclosure - Note 2 - Discontinued Operations - Components of Discontinued Operations (Details) link:calculationLink link:definitionLink link:presentationLink 995599 - Disclosure - Note 3 - Accounts Receivable - Activity in the Allowance for Credit Losses (Details) link:calculationLink link:definitionLink link:presentationLink 995600 - Disclosure - Note 4 - Inventories - Major Classes of Inventory (Details) link:calculationLink link:definitionLink link:presentationLink 995601 - Disclosure - Note 5 - Contracts in Progress (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995602 - Disclosure - Note 5 - Contracts in Progress - Long-term Contracts (Details) link:calculationLink link:definitionLink link:presentationLink 995603 - Disclosure - Note 6 - Property, Plant, and Equipment (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995604 - Disclosure - Note 6 - Property, Plant, and Equipment - Major Classes of Property, Plant, and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995605 - Disclosure - Note 7 - Assets Held for Lease (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995606 - Disclosure - Note 7 - Assets Held for Lease - Summary of Assets Held for Lease (Details) link:calculationLink link:definitionLink link:presentationLink 995607 - Disclosure - Note 8 - Accrued Expenses - Major Components of Accrued Expenses (Details) link:calculationLink link:definitionLink link:presentationLink 995608 - Disclosure - Note 9 - Product Warranty (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995609 - Disclosure - Note 9 - Product Warranty - Changes in Product Warranty Liability (Details) link:calculationLink link:definitionLink link:presentationLink 995610 - Disclosure - Note 10 - Loan and Credit Agreements (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995611 - Disclosure - Note 10 - Loan and Credit Agreements - Summary of Term Debt (Details) link:calculationLink link:definitionLink link:presentationLink 995612 - Disclosure - Note 10 - Loan and Credit Agreements - Summary of Term Debt (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 995613 - Disclosure - Note 10 - Loan and Credit Agreements - Summary of Minimum Maturities of Term Debt (Details) link:calculationLink link:definitionLink link:presentationLink 995614 - Disclosure - Note 11 - Related Party Transactions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995615 - Disclosure - Note 12 - Employee Benefit Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995616 - Disclosure - Note 13 - Equity Incentive Plan (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995617 - Disclosure - Note 13 - Equity Incentive Plan - Summary of Shares Issued (Details) link:calculationLink link:definitionLink link:presentationLink 995618 - Disclosure - Note 13 - Equity Incentive Plan - Summary of Stock-based Compensation Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995619 - Disclosure - Note 13 - Equity Incentive Plan - Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995620 - Disclosure - Note 14 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995621 - Disclosure - Note 14 - Income Taxes - Income Tax Expense (Benefit) (Details) link:calculationLink link:definitionLink link:presentationLink 995622 - Disclosure - Note 14 - Income Taxes - Reconciliation of the Statutory Federal Income Tax Rate (Details) link:calculationLink link:definitionLink link:presentationLink 995623 - Disclosure - Note 14 - Income Taxes - Deferred Tax Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995624 - Disclosure - Note 17 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995625 - Disclosure - Note 17 - Segment Information - Segment Reporting Information (Details) link:calculationLink link:definitionLink link:presentationLink 995626 - Disclosure - Note 18 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink