001 - Statement - Condensed Balance Sheets (Current Period Unaudited) link:presentationLink link:definitionLink link:calculationLink 002 - Statement - Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 003 - Statement - Condensed Statements Of Earnings Unaudited link:presentationLink link:definitionLink link:calculationLink 004 - Statement - Condensed Statements Of Cash Flows Unaudited link:presentationLink link:definitionLink link:calculationLink 005 - Disclosure - Note 1 - Basis of Presentation link:presentationLink link:definitionLink link:calculationLink 006 - Disclosure - Note 2 - Net Income Per Share link:presentationLink link:definitionLink link:calculationLink 007 - Disclosure - Note 3 - Cash, Cash Equivalents and Investments link:presentationLink link:definitionLink link:calculationLink 008 - Disclosure - Note 4 - Stock Based Compensation link:presentationLink link:definitionLink link:calculationLink 009 - Disclosure - Note 5 - Accounts Receivable link:presentationLink link:definitionLink link:calculationLink 010 - Disclosure - Note 6 - Inventories link:presentationLink link:definitionLink link:calculationLink 011 - Disclosure - Note 7 - Major Customer Concentration link:presentationLink link:definitionLink link:calculationLink 012 - Disclosure - Note 8 - Goodwill and Patents link:presentationLink link:definitionLink link:calculationLink 013 - Disclosure - Note 9 - Income Taxes link:presentationLink link:definitionLink link:calculationLink 014 - Disclosure - Accounting Policies, by Policy (Policies) link:presentationLink link:definitionLink link:calculationLink 015 - Disclosure - Note 2 - Net Income Per Share (Tables) link:presentationLink link:definitionLink link:calculationLink 016 - Disclosure - Note 3 - Cash, Cash Equivalents and Investments (Tables) link:presentationLink link:definitionLink link:calculationLink 017 - Disclosure - Note 4 - Stock Based Compensation (Tables) link:presentationLink link:definitionLink link:calculationLink 018 - Disclosure - Note 6 - Inventories (Tables) link:presentationLink link:definitionLink link:calculationLink 019 - Disclosure - Note 1 - Basis of Presentation (Details) link:presentationLink link:definitionLink link:calculationLink 020 - Disclosure - Note 2 - Net Income Per Share (Details) link:presentationLink link:definitionLink link:calculationLink 021 - Disclosure - Note 2 - Net Income Per Share (Details) - Net Income Per Common Share link:presentationLink link:definitionLink link:calculationLink 022 - Disclosure - Note 3 - Cash, Cash Equivalents and Investments (Details) - CD Maturity Dates link:presentationLink link:definitionLink link:calculationLink 023 - Disclosure - Note 4 - Stock Based Compensation (Details) link:presentationLink link:definitionLink link:calculationLink 024 - Disclosure - Note 4 - Stock Based Compensation (Details) - Stock Option Activity link:presentationLink link:definitionLink link:calculationLink 025 - Disclosure - Note 4 - Stock Based Compensation (Details) - Restricted Stock Transactions link:presentationLink link:definitionLink link:calculationLink 026 - Disclosure - Note 5 - Accounts Receivable (Details) link:presentationLink link:definitionLink link:calculationLink 027 - Disclosure - Note 6 - Inventories (Details) - Components Of Inventory link:presentationLink link:definitionLink link:calculationLink 028 - Disclosure - Note 7 - Major Customer Concentration (Details) link:presentationLink link:definitionLink link:calculationLink 029 - Disclosure - Note 8 - Goodwill and Patents (Details) link:presentationLink link:definitionLink link:calculationLink 030 - Disclosure - Note 9 - Income Taxes (Details) link:presentationLink link:definitionLink link:calculationLink 000 - Disclosure - Document And Entity Information link:presentationLink link:definitionLink link:calculationLink