000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Balance Sheets link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Balance Sheets (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statements of Operations and Comprehensive Income link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Shareholders' Equity link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Shareholders' Equity (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 2 - Marketable Securities link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 3 - Business Combinations, Goodwill and Intangible Assets link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 4 - Inventories link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 5 - Property and Equipment link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 6 - Leases and Deferred Rent link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 7 - Accrued Liabilities link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 8 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 9 - Share-based Payments link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 10 - Significant Customers link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 11 - Fair Value Measurements link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 12 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 13 - Geographic Sales Information link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 2 - Marketable Securities (Tables) link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 3 - Business Combinations, Goodwill and Intangible Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 024 - Disclosure - Note 4 - Inventories (Tables) link:calculationLink link:definitionLink link:presentationLink 025 - Disclosure - Note 5 - Property and Equipment (Tables) link:calculationLink link:definitionLink link:presentationLink 026 - Disclosure - Note 6 - Leases and Deferred Rent (Tables) link:calculationLink link:definitionLink link:presentationLink 027 - Disclosure - Note 7 - Accrued Liabilities (Tables) link:calculationLink link:definitionLink link:presentationLink 028 - Disclosure - Note 9 - Share-based Payments (Tables) link:calculationLink link:definitionLink link:presentationLink 029 - Disclosure - Note 10 - Significant Customers (Tables) link:calculationLink link:definitionLink link:presentationLink 030 - Disclosure - Note 11 - Fair Value Measurements (Tables) link:calculationLink link:definitionLink link:presentationLink 031 - Disclosure - Note 12 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 032 - Disclosure - Note 13 - Geographic Sales Information (Tables) link:calculationLink link:definitionLink link:presentationLink 033 - Disclosure - Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 034 - Disclosure - Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies - Allowance for Doubtful Accounts Activity (Details) link:calculationLink link:definitionLink link:presentationLink 035 - Disclosure - Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies - Deferred Revenue and Associated Costs of Goods Sold and Gross Profit (Details) link:calculationLink link:definitionLink link:presentationLink 036 - Disclosure - Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies - Revenue by Product Group (Details) link:calculationLink link:definitionLink link:presentationLink 037 - Disclosure - Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies - Warranty Liability (Details) link:calculationLink link:definitionLink link:presentationLink 038 - Disclosure - Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies - Earnings Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 039 - Disclosure - Note 2 - Marketable Securities - Available-for-sale Securities by Major Security Type (Details) link:calculationLink link:definitionLink link:presentationLink 040 - Disclosure - Note 2 - Marketable Securities - Maturities of Available-for-sale Securities (Details) link:calculationLink link:definitionLink link:presentationLink 041 - Disclosure - Note 2 - Marketable Securities - Available-for-sale Marketable Securities in Gross Unrealized Loss Position (Details) link:calculationLink link:definitionLink link:presentationLink 042 - Disclosure - Note 3 - Business Combinations, Goodwill and Intangible Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 043 - Disclosure - Note 3 - Business Combinations, Goodwill and Intangible Assets - Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 044 - Disclosure - Note 3 - Business Combinations, Goodwill and Intangible Assets - Estimated Future Amortization Expense of Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 045 - Disclosure - Note 4 - Inventories (Details Textual) link:calculationLink link:definitionLink link:presentationLink 046 - Disclosure - Note 4 - Inventories - Inventories (Details) link:calculationLink link:definitionLink link:presentationLink 047 - Disclosure - Note 5 - Property and Equipment (Details Textual) link:calculationLink link:definitionLink link:presentationLink 048 - Disclosure - Note 5 - Property and Equipment - Property and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 049 - Disclosure - Note 6 - Leases and Deferred Rent (Details Textual) link:calculationLink link:definitionLink link:presentationLink 050 - Disclosure - Note 6 - Leases and Deferred Rent - Future Minimum Lease Payments (Details) link:calculationLink link:definitionLink link:presentationLink 051 - Disclosure - Note 7 - Accrued Liabilities - Accrued Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 052 - Disclosure - Note 8 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 053 - Disclosure - Note 9 - Share-based Payments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 054 - Disclosure - Note 9 - Share-based Payments - Black-scholes Assumptions (Details) link:calculationLink link:definitionLink link:presentationLink 055 - Disclosure - Note 9 - Share-based Payments - Stock Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 056 - Disclosure - Note 9 - Share-based Payments - Employee Stock Purchase Plans (Details) link:calculationLink link:definitionLink link:presentationLink 057 - Disclosure - Note 10 - Significant Customers - Concentration Risk by Risk Factor of Sales Revenue and Accounts Receivable (Details) link:calculationLink link:definitionLink link:presentationLink 058 - Disclosure - Note 11 - Fair Value Measurements - Fair Value of Financial Instruments (Details) link:calculationLink link:definitionLink link:presentationLink 059 - Disclosure - Note 12 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 060 - Disclosure - Note 12 - Income Taxes - Consolidated Income Before Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 061 - Disclosure - Note 12 - Income Taxes - Provision for Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 062 - Disclosure - Note 12 - Income Taxes - Income Tax (Provision) for Federal Statutory Corporate Income Tax Rate (Details) link:calculationLink link:definitionLink link:presentationLink 063 - Disclosure - Note 12 - Income Taxes - Net Deferred Tax Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 064 - Disclosure - Note 12 - Income Taxes - Reconciliation of Uncertain Tax Positions (Details) link:calculationLink link:definitionLink link:presentationLink 065 - Disclosure - Note 13 - Geographic Sales Information - Revenue by Geographic Area (Details) link:calculationLink link:definitionLink link:presentationLink