000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statements of Comprehensive Income (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Shareholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Shareholders' Equity link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 1 - Basis of Presentation link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 2 - Recent Accounting Pronouncements link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 3 - Net Income Per Common Share link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 4 - Goodwill and Other Intangible Assets link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 5 - Fair Value Measurements link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 6 - Marketable Securities link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 7 - Inventory link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 8 - Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 9 - Accumulated Other Comprehensive Loss link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 10 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 11 - Segment Reporting link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 3 - Net Income Per Common Share (Tables) link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 4 - Goodwill and Other Intangible Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 5 - Fair Value Measurements (Tables) link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 6 - Marketable Securities (Tables) link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 7 - Inventory (Tables) link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 8 - Stock-based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 024 - Disclosure - Note 9 - Accumulated Other Comprehensive Loss (Tables) link:calculationLink link:definitionLink link:presentationLink 025 - Disclosure - Note 11 - Segment Reporting (Tables) link:calculationLink link:definitionLink link:presentationLink 026 - Disclosure - Note 3 - Net Income Per Common Share - Computation of Basic and Diluted Net Income Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 027 - Disclosure - Note 4 - Goodwill and Other Intangible Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 028 - Disclosure - Note 4 - Goodwill and Other Intangible Assets - Intangible Assets Other Than Goodwill (Details) link:calculationLink link:definitionLink link:presentationLink 029 - Disclosure - Note 4 - Goodwill and Other Intangible Assets - Estimated Aggregated Amortization Expense (Details) link:calculationLink link:definitionLink link:presentationLink 030 - Disclosure - Note 5 - Fair Value Measurements - Fair Value of Financial Assets Measured on a Recurring Basis (Details) link:calculationLink link:definitionLink link:presentationLink 031 - Disclosure - Note 6 - Marketable Securities - Short-term and Long-term Marketable Securities (Details) link:calculationLink link:definitionLink link:presentationLink 032 - Disclosure - Note 6 - Marketable Securities - Balance of Held-to-maturity Debt Securities by Contractual Maturity (Details) link:calculationLink link:definitionLink link:presentationLink 033 - Disclosure - Note 7 - Inventory - Inventory (Details) link:calculationLink link:definitionLink link:presentationLink 034 - Disclosure - Note 8 - Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 035 - Disclosure - Note 8 - Stock-based Compensation - Stock Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 036 - Disclosure - Note 8 - Stock-based Compensation - Assumptions Used in the Valuation of Options (Details) link:calculationLink link:definitionLink link:presentationLink 037 - Disclosure - Note 8 - Stock-based Compensation - Restricted Stock Options (Details) link:calculationLink link:definitionLink link:presentationLink 038 - Disclosure - Note 8 - Stock-based Compensation - Performance Stock (Details) link:calculationLink link:definitionLink link:presentationLink 039 - Disclosure - Note 8 - Stock-based Compensation - Assumptions Used in the Valuation of Performance Stock (Details) link:calculationLink link:definitionLink link:presentationLink 040 - Disclosure - Note 8 - Stock-based Compensation - Assumptions Used to Estimate the Fair Value of the ESPP (Details) link:calculationLink link:definitionLink link:presentationLink 041 - Disclosure - Note 9 - Accumulated Other Comprehensive Loss - Other Comprehensive Loss (Details) link:calculationLink link:definitionLink link:presentationLink 042 - Disclosure - Note 10 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 043 - Disclosure - Note 11 - Segment Reporting - Revenue From Operations by Reportable Segment (Details) link:calculationLink link:definitionLink link:presentationLink 044 - Disclosure - Note 11 - Segment Reporting - Income From Operations (Details) link:calculationLink link:definitionLink link:presentationLink 045 - Disclosure - Note 11 - Segment Reporting - Long-lived Assets by Geographic Region (Details) link:calculationLink link:definitionLink link:presentationLink 046 - Disclosure - Note 11 - Segment Reporting - Disaggregation of Revenue (Details) link:calculationLink link:definitionLink link:presentationLink