000 - Document - Document And Entity Information
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001 - Statement - Condensed Balance Sheets (Current Period Unaudited)
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002 - Statement - Condensed Balance Sheets (Current Period Unaudited) (Parentheticals)
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003 - Statement - Condensed Statements of Operations, Unaudited
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004 - Statement - Condensed Statements of Cash Flows, Unaudited
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005 - Disclosure - Note 1 - Basis of Presentation
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006 - Disclosure - Note 2 - Net Income Per Share
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007 - Disclosure - Note 3 - Cash, Cash Equivalents and Investments
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008 - Disclosure - Note 4 - Stock-based Compensation
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009 - Disclosure - Note 5 - Accounts Receivable and Net Sales
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010 - Disclosure - Note 6 - Inventories
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011 - Disclosure - Note 7 - Major Customer Concentration
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012 - Disclosure - Note 8 - Goodwill and Patents
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013 - Disclosure - Note 9 - Income Taxes
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014 - Document - Note 10 - Accounting Pronouncements
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015 - Disclosure - Significant Accounting Policies (Policies)
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016 - Disclosure - Note 2 - Net Income Per Share (Tables)
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017 - Disclosure - Note 3 - Cash, Cash Equivalents and Investments (Tables)
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018 - Disclosure - Note 4 - Stock-based Compensation (Tables)
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019 - Disclosure - Note 6 - Inventories (Tables)
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020 - Disclosure - Note 7 - Major Customer Concentration (Tables)
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021 - Statement - Note 2 - Net Income Per Share - Net Income Per Common Share (Details)
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022 - Disclosure - Note 3 - Cash, Cash Equivalents and Investments (Details Textual)
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023 - Statement - Note 3 - Cash, Cash Equivalents and Investments - CD Maturity Dates (Details)
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024 - Disclosure - Note 4 - Stock-based Compensation (Details Textual)
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025 - Statement - Note 4 - Stock Based Compensation - Stock Option Activity (Details)
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026 - Statement - Note 4 - Stock Based Compensation - Restricted Stock Transactions (Details)
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027 - Disclosure - Note 5 - Accounts Receivable and Net Sales (Details Textual)
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028 - Statement - Note 6 - Inventories - Components of Inventory (Details)
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029 - Disclosure - Note 7 - Major Customer Concentration (Details Textual)
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030 - Statement - Note 7 - Major Customer Concentration - Customers Comprising 10% or More of Net Sales (Details)
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031 - Disclosure - Note 8 - Goodwill and Patents (Details Textual)
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032 - Disclosure - Note 9 - Income Taxes (Details Textual)
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