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 Equity link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 1 - Nature of Business and Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 2 - Accounting Pronouncements link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 3 - Inventories link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 4 - Property and Equipment, Net link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 5 - Intangible Assets, Net link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 6 - Investments in Joint Ventures link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 7 - Corporate Debt link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 8 - Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 9 - Net Income Per Common Share link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 10 - Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 11 - Segment and Geographic Information link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 12 - Retirement Plan link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 13 - Related Party Transactions link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 14 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 15 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 16 - Supplemental Cash Flow Information link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 17 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 1 - Nature of Business and Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 3 - Inventories (Tables) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 4 - Property and Equipment, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 5 - Intangible Assets, Net (Tables) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 6 - Investments in Joint Ventures (Tables) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 8 - Stockholders' Equity (Tables) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 9 - Net Income Per Common Share (Tables) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 10 - Stock-based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 11 - Segment and Geographic Information (Tables) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 14 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 15 - Commitments and Contingencies (Tables) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 16 - Supplemental Cash Flow Information (Tables) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 1 - Nature of Business and Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 1 - Nature of Business and Significant Accounting Policies - Property and Equipment Useful Life (Details) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 3 - Inventories - Inventories (Details) link:calculationLink link:definitionLink link:presentationLink 995485 - Disclosure - Note 4 - Property and Equipment, Net (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995486 - Disclosure - Note 4 - Property and Equipment, Net - Components of Property and Equipment, Net (Details) link:calculationLink link:definitionLink link:presentationLink 995487 - Disclosure - Note 5 - Intangible Assets, Net (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995488 - Disclosure - Note 5 - Intangible Assets, Net - Intangible Assets, Net (Details) link:calculationLink link:definitionLink link:presentationLink 995489 - Disclosure - Note 5 - Intangible Assets, Net - Future Amortization Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995490 - Disclosure - Note 6 - Investments in Joint Ventures (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995491 - Disclosure - Note 6 - Investments in Joint Ventures - Condensed Balance Sheet of EXCOR and All Other Joint Ventures (Details) link:calculationLink link:definitionLink link:presentationLink 995492 - Disclosure - Note 6 - Investments in Joint Ventures - Condensed Income Statement of EXCOR and All Other Joint Ventures (Details) link:calculationLink link:definitionLink link:presentationLink 995493 - Disclosure - Note 7 - Corporate Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995494 - Disclosure - Note 8 - Stockholders' Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995495 - Disclosure - Note 8 - Stockholders' Equity - Cash Dividends Declared (Details) link:calculationLink link:definitionLink link:presentationLink 995496 - Disclosure - Note 9 - Net Income Per Common Share (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995497 - Disclosure - Note 9 - Net Income Per Common Share - Reconciliation of the Earnings Per Share Computations (Details) link:calculationLink link:definitionLink link:presentationLink 995498 - Disclosure - Note 10 - Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995499 - Disclosure - Note 10 - Stock-based Compensation - Black-Scholes Option-pricing Model Assumptions (Details) link:calculationLink link:definitionLink link:presentationLink 995500 - Disclosure - Note 10 - Stock-based Compensation - Stock Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995501 - Disclosure - Note 11 - Segment and Geographic Information - Net Sales by Segment (Details) link:calculationLink link:definitionLink link:presentationLink 995502 - Disclosure - Note 11 - Segment and Geographic Information - Cost of Goods Sold by Segment (Details) link:calculationLink link:definitionLink link:presentationLink 995503 - Disclosure - Note 11 - Segment and Geographic Information - Net Sales by Geographic Location (Details) link:calculationLink link:definitionLink link:presentationLink 995504 - Disclosure - Note 11 - Segment and Geographic Information - Information by Geographic Location (Details) link:calculationLink link:definitionLink link:presentationLink 995505 - Disclosure - Note 11 - Segment and Geographic Information - Total Long-lived Assets by Geographic Distribution (Details) link:calculationLink link:definitionLink link:presentationLink 995506 - Disclosure - Note 11 - Segment and Geographic Information - Total Net Sales by Geographic Distribution (Details) link:calculationLink link:definitionLink link:presentationLink 995507 - Disclosure - Note 12 - Retirement Plan (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995508 - Disclosure - Note 13 - Related Party Transactions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995509 - Disclosure - Note 14 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995510 - Disclosure - Note 14 - Income Taxes - Provision for Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995511 - Disclosure - Note 14 - Income Taxes - Reconciliations of the Expected Federal Income Tax at the Statutory Rate with the Provisions for Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995512 - Disclosure - Note 14 - Income Taxes - Deferred Tax Asset (Liabilities) (Details) link:calculationLink link:definitionLink link:presentationLink 995513 - Disclosure - Note 14 - Income Taxes - Reconciliation of the Total Amounts of Unrecognized Tax Benefits (Details) link:calculationLink link:definitionLink link:presentationLink 995514 - Disclosure - Note 15 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995515 - Disclosure - Note 15 - Commitments and Contingencies - Present Value of Long-term Leases (Details) link:calculationLink link:definitionLink link:presentationLink 995516 - Disclosure - Note 15 - Commitments and Contingencies - Future Minimum Rents Due (Details) link:calculationLink link:definitionLink link:presentationLink 995517 - Disclosure - Note 16 - Supplemental Cash Flow Information - Supplemental Disclosures of Cash Flow Information (Details) link:calculationLink link:definitionLink link:presentationLink 995518 - Disclosure - Note 17 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink