000260 - Disclosure - 2. Significant Accounting Policies: Goodwill (Policies) link:presentationLink link:definitionLink link:calculationLink 000460 - Disclosure - 9. Leases: Schedule of Future Minimum Rental Payments for Operating Leases (Tables) link:presentationLink link:definitionLink link:calculationLink 000130 - Disclosure - 6. Shareholders' Equity link:presentationLink link:definitionLink link:calculationLink 000210 - Disclosure - 2. Significant Accounting Policies: Use of Estimates (Policies) link:presentationLink link:definitionLink link:calculationLink 000200 - Disclosure - 13. Subsequent Events link:presentationLink link:definitionLink link:calculationLink 000110 - Disclosure - 4. Property and Equipment link:presentationLink link:definitionLink link:calculationLink 000560 - Disclosure - 5. Line of Credit (Details) link:presentationLink link:definitionLink link:calculationLink 000040 - Statement - CONSOLIDATED STATEMENTS OF INCOME link:presentationLink link:definitionLink link:calculationLink 000030 - Statement - CONSOLIDATED BALANCE SHEETS - PARENTHETICAL link:presentationLink link:definitionLink link:calculationLink 000300 - Disclosure - 2. Significant Accounting Policies: Research and Development Expense (Policies) link:presentationLink link:definitionLink link:calculationLink 000350 - Disclosure - 2. Significant Accounting Policies: Income Taxes (Policies) link:presentationLink link:definitionLink link:calculationLink 000140 - Disclosure - 7. Noncontrolling Interests link:presentationLink link:definitionLink link:calculationLink 000470 - Disclosure - 12. Stock-Based Compensation Plans: Schedule of nonvested phantom stock units (Tables) link:presentationLink link:definitionLink link:calculationLink 000440 - Disclosure - 8. Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Tables) link:presentationLink link:definitionLink link:calculationLink 000500 - Disclosure - 2. Significant Accounting Policies: Shipping Costs (Details) link:presentationLink link:definitionLink link:calculationLink 000660 - Disclosure - 10. Employee Benefit Plans (Details) link:presentationLink link:definitionLink link:calculationLink 000570 - Disclosure - 6. Shareholders' Equity (Details) link:presentationLink link:definitionLink link:calculationLink 000630 - Disclosure - 8. Income Taxes: Schedule of Reconciliation of unrecognized tax benefits (Details) link:presentationLink link:definitionLink link:calculationLink 000170 - Disclosure - 10. Employee Benefit Plans link:presentationLink link:definitionLink link:calculationLink 000330 - Disclosure - 2. Significant Accounting Policies: Earnings Per Common Share (Policies) link:presentationLink link:definitionLink link:calculationLink 000430 - Disclosure - 8. Income Taxes: Schedule of income tax expense vs. statutory income tax expense (Tables) link:presentationLink link:definitionLink link:calculationLink 000070 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) link:presentationLink link:definitionLink link:calculationLink 000380 - Disclosure - 2. Significant Accounting Policies: Subsequent Events (Policies) link:presentationLink link:definitionLink link:calculationLink 000100 - Disclosure - 3. Inventories link:presentationLink link:definitionLink link:calculationLink 000070 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:definitionLink link:calculationLink 000540 - Disclosure - 4. Property and Equipment: Schedule of Property, Plant and Equipment (Details) link:presentationLink link:definitionLink link:calculationLink 000690 - Disclosure - 12. Stock-Based Compensation Plans (Details) link:presentationLink link:definitionLink link:calculationLink 000450 - Disclosure - 8. Income Taxes: Schedule of Reconciliation of unrecognized tax benefits (Tables) link:presentationLink link:definitionLink link:calculationLink 000320 - Disclosure - 2. Significant Accounting Policies: Provision For Doubtful Accounts (Policies) link:presentationLink link:definitionLink link:calculationLink 000480 - Disclosure - 2. Significant Accounting Policies: Advertising Expense (Details) link:presentationLink link:definitionLink link:calculationLink 000250 - Disclosure - 2. Significant Accounting Policies: Property and Equipment (Policies) link:presentationLink link:definitionLink link:calculationLink 000610 - Disclosure - 8. Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:definitionLink link:calculationLink 000620 - Disclosure - 8. Income Taxes (Details) link:presentationLink link:definitionLink link:calculationLink 000650 - Disclosure - 9. Leases: Schedule of Future Minimum Rental Payments for Operating Leases (Details) link:presentationLink link:definitionLink link:calculationLink 000580 - Disclosure - 7. Noncontrolling Interests (Details) link:presentationLink link:definitionLink link:calculationLink 000640 - Disclosure - 9. Leases (Details) link:presentationLink link:definitionLink link:calculationLink 000190 - Disclosure - 12. Stock-Based Compensation Plans link:presentationLink link:definitionLink link:calculationLink 000600 - Disclosure - 8. Income Taxes: Schedule of income tax expense vs. statutory income tax expense (Details) link:presentationLink link:definitionLink link:calculationLink 000150 - Disclosure - 8. Income Taxes link:presentationLink link:definitionLink link:calculationLink 000020 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) link:presentationLink link:definitionLink link:calculationLink 000510 - Disclosure - 2. Significant Accounting Policies: Provision For Doubtful Accounts (Details) link:presentationLink link:definitionLink link:calculationLink 000670 - Disclosure - 11. Commitments and Contingencies (Details) link:presentationLink link:definitionLink link:calculationLink 000370 - Disclosure - 2. Significant Accounting Policies: Significant Concentration (Policies) link:presentationLink link:definitionLink link:calculationLink 000280 - Disclosure - 2. Significant Accounting Policies: Fair Value of Financial and Nonfinancial Instruments (Policies) link:presentationLink link:definitionLink link:calculationLink 000590 - Disclosure - 8. Income Taxes: Schedule of Components of Income Tax Expense (Benefit) (Details) link:presentationLink link:definitionLink link:calculationLink 000270 - Disclosure - 2. Significant Accounting Policies: Product Liability Reserves (Policies) link:presentationLink link:definitionLink link:calculationLink 000020 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:definitionLink link:calculationLink 000550 - Disclosure - 4. Property and Equipment (Details) link:presentationLink link:definitionLink link:calculationLink 000410 - Disclosure - 4. Property and Equipment: Schedule of Property, Plant and Equipment (Tables) link:presentationLink link:definitionLink link:calculationLink 000520 - Disclosure - 3. Inventories (Details) link:presentationLink link:definitionLink link:calculationLink 000010 - Document - Document and Entity Information link:presentationLink link:definitionLink link:calculationLink 000340 - Disclosure - 2. Significant Accounting Policies: Currency Translation (Policies) link:presentationLink link:definitionLink link:calculationLink 000310 - Disclosure - 2. Significant Accounting Policies: Shipping Costs (Policies) link:presentationLink link:definitionLink link:calculationLink 000050 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:definitionLink link:calculationLink 000120 - Disclosure - 5. Line of Credit link:presentationLink link:definitionLink link:calculationLink 000490 - Disclosure - 2. Significant Accounting Policies: Research and Development Expense (Details) link:presentationLink link:definitionLink link:calculationLink 000230 - Disclosure - 2. Significant Accounting Policies: Cash Equivalents (Policies) link:presentationLink link:definitionLink link:calculationLink 000090 - Disclosure - 2. Significant Accounting Policies link:presentationLink link:definitionLink link:calculationLink 000420 - Disclosure - 8. Income Taxes: Schedule of Components of Income Tax Expense (Benefit) (Tables) link:presentationLink link:definitionLink link:calculationLink 000240 - Disclosure - 2. Significant Accounting Policies: Inventories (Policies) link:presentationLink link:definitionLink link:calculationLink 000530 - Disclosure - 3. Inventories: Schedule of Inventory (Details) link:presentationLink link:definitionLink link:calculationLink 000360 - Disclosure - 2. Significant Accounting Policies: Other Comprehensive Income (loss) (Policies) link:presentationLink link:definitionLink link:calculationLink 000160 - Disclosure - 9. Leases link:presentationLink link:definitionLink link:calculationLink 000060 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY link:presentationLink link:definitionLink link:calculationLink 000680 - Disclosure - 11. Commitments and Contingencies: Contingencies (Details) link:presentationLink link:definitionLink link:calculationLink 000080 - Disclosure - 1. Basis of Presentation and Consolidation link:presentationLink link:definitionLink link:calculationLink 000400 - Disclosure - 3. Inventories: Schedule of Inventory (Tables) link:presentationLink link:definitionLink link:calculationLink 000700 - Disclosure - 12. Stock-Based Compensation Plans: Schedule of nonvested phantom stock units (Details) link:presentationLink link:definitionLink link:calculationLink 000220 - Disclosure - 2. Significant Accounting Policies: Revenue Recognition (Policies) link:presentationLink link:definitionLink link:calculationLink 000290 - Disclosure - 2. Significant Accounting Policies: Advertising Expense (Policies) link:presentationLink link:definitionLink link:calculationLink 000390 - Disclosure - 2. Significant Accounting Policies: New Accounting Pronouncements and Changes in Accounting Principles (Policies) link:presentationLink link:definitionLink link:calculationLink 000180 - Disclosure - 11. Commitments and Contingencies link:presentationLink link:definitionLink link:calculationLink