00000001 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 00000002 - Statement - Balance Sheets (Unaudited) link:presentationLink link:calculationLink link:definitionLink 00000003 - Statement - Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00000004 - Statement - Statements of Operations (Unaudited) link:presentationLink link:calculationLink link:definitionLink 00000005 - Statement - Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 00000006 - Statement - Statements of Cash Flows (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00000007 - Disclosure - Note 1. Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 00000008 - Disclosure - Note 2. Share Repurchase Program link:presentationLink link:calculationLink link:definitionLink 00000009 - Disclosure - Note 3. Inventories link:presentationLink link:calculationLink link:definitionLink 00000010 - Disclosure - Note 4. Property, Equipment and Improvements link:presentationLink link:calculationLink link:definitionLink 00000011 - Disclosure - Note 5. Goodwill, Intangible Assets and Long Term Assets link:presentationLink link:calculationLink link:definitionLink 00000012 - Disclosure - Note 6 Revolving Credit Agreement link:presentationLink link:calculationLink link:definitionLink 00000013 - Disclosure - Note 7 Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 00000014 - Disclosure - Note 8 Income Taxes link:presentationLink link:calculationLink link:definitionLink 00000015 - Disclosure - Note 9 Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 00000016 - Disclosure - Note 10 Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 00000017 - Disclosure - Note 11 Business Segment Information link:presentationLink link:calculationLink link:definitionLink 00000018 - Disclosure - Note 12 Fair Value of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 00000019 - Disclosure - Note 13 Recent Accounting Pronouncements and Developments link:presentationLink link:calculationLink link:definitionLink 00000020 - Disclosure - Note 3. Inventories (Tables) link:presentationLink link:calculationLink link:definitionLink 00000021 - Disclosure - Note 4. Property, Equipment and Improvements (Tables) link:presentationLink link:calculationLink link:definitionLink 00000022 - Disclosure - Note 5. Goodwill, Intangible Assets and Long Term Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 00000023 - Disclosure - Note 8 Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 00000024 - Disclosure - Note 10 Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 00000025 - Disclosure - Note 11 Business Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 00000026 - Disclosure - Note 2 Share Repurchase Program (Detail Narrative) link:presentationLink link:calculationLink link:definitionLink 00000027 - Disclosure - Note 3. Inventories (Detail) link:presentationLink link:calculationLink link:definitionLink 00000028 - Disclosure - Note 4. Property, Equipment and Improvements (Detail) link:presentationLink link:calculationLink link:definitionLink 00000029 - Disclosure - Note 4 Property Equipment and Improvements (Detail Narrative) link:presentationLink link:calculationLink link:definitionLink 00000030 - Disclosure - Note 5 Goodwill, Intangible Assets and Long Term Assets Goodwill Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 00000031 - Disclosure - Note 5 Goodwill, Intangible Assets and Long Term Assets Composition of Intangible Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 00000032 - Disclosure - Note 5 Goodwill, Intangible Assets and Long Term Assets (Detail Narrative) link:presentationLink link:calculationLink link:definitionLink 00000033 - Disclosure - Note 6 Revolving Credit Agreement (Detail Narrative) link:presentationLink link:calculationLink link:definitionLink 00000034 - Disclosure - Note 7 Shareholders' Equity (Detail Narrative) link:presentationLink link:calculationLink link:definitionLink 00000035 - Disclosure - Note 8 - Income Taxes Effective consolidated tax rate (Detail) link:presentationLink link:calculationLink link:definitionLink 00000036 - Disclosure - Note 8 Income Taxes Unrecognized Tax Benefits (Detail) link:presentationLink link:calculationLink link:definitionLink 00000037 - Disclosure - Note 8 Income Taxes (Detail Narrative) link:presentationLink link:calculationLink link:definitionLink 00000038 - Disclosure - Note 9 Earnings Per Share (Detail Narrative) link:presentationLink link:calculationLink link:definitionLink 00000039 - Disclosure - Note 10 Commitments and Contingencies Warranty Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 00000040 - Disclosure - Note 10 Commitments and Contingencies (Detail Narrative) link:presentationLink link:calculationLink link:definitionLink 00000041 - Disclosure - Note 11 Business Segment Information (Detail) link:presentationLink link:calculationLink link:definitionLink