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 Income link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Comprehensive Income link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Shareholders' Equity link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Shareholders' Equity (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 007 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 995552 - Disclosure - Note 1 - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 995553 - Disclosure - Note 2 - Shareholders' Equity link:calculationLink link:definitionLink link:presentationLink 995554 - Disclosure - Note 3 - Net Income Per Share link:calculationLink link:definitionLink link:presentationLink 995555 - Disclosure - Note 4 - Marketable Securities link:calculationLink link:definitionLink link:presentationLink 995556 - Disclosure - Note 5 - Revenue Recognition link:calculationLink link:definitionLink link:presentationLink 995557 - Disclosure - Note 6 - Property and Equipment link:calculationLink link:definitionLink link:presentationLink 995558 - Disclosure - Note 7 - Goodwill and Intangible Assets link:calculationLink link:definitionLink link:presentationLink 995559 - Disclosure - Note 8 - Business Combinations link:calculationLink link:definitionLink link:presentationLink 995560 - Disclosure - Note 9 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 995561 - Disclosure - Note 10 - Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 995562 - Disclosure - Note 11 - Employee Benefit Plan link:calculationLink link:definitionLink link:presentationLink 995563 - Disclosure - Note 12 - Debt link:calculationLink link:definitionLink link:presentationLink 995564 - Disclosure - Note 13 - Leases link:calculationLink link:definitionLink link:presentationLink 995565 - Disclosure - Note 14 - Litigation link:calculationLink link:definitionLink link:presentationLink 995569 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995570 - Disclosure - Note 1 - Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995571 - Disclosure - Note 3 - Net Income Per Share (Tables) link:calculationLink link:definitionLink link:presentationLink 995572 - Disclosure - Note 4 - Marketable Securities (Tables) link:calculationLink link:definitionLink link:presentationLink 995573 - Disclosure - Note 5 - Revenue Recognition (Tables) link:calculationLink link:definitionLink link:presentationLink 995574 - Disclosure - Note 6 - Property and Equipment (Tables) link:calculationLink link:definitionLink link:presentationLink 995575 - Disclosure - Note 7 - Goodwill and Intangible Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 995576 - Disclosure - Note 8 - Business Combinations (Tables) link:calculationLink link:definitionLink link:presentationLink 995577 - Disclosure - Note 9 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 995578 - Disclosure - Note 10 - Stock-based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 995579 - Disclosure - Note 13 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995580 - Disclosure - Note 1 - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995581 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Changes in the Allowance for Doubtful Accounts and the Amounts Charged to Bad Debt Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995582 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Schedule of Unobservable Input Reconciliation (Details) link:calculationLink link:definitionLink link:presentationLink 995583 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Estimated Useful Lives of Property and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995584 - Disclosure - Note 2 - Shareholders' Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995585 - Disclosure - Note 3 - Net Income Per Share (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995586 - Disclosure - Note 3 - Net Income Per Share - Computation of Basic and Diluted Earnings Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 995587 - Disclosure - Note 4 - Marketable Securities - Fair Value of Available for Sale Marketable Securities (Details) link:calculationLink link:definitionLink link:presentationLink 995588 - Disclosure - Note 5 - Revenue Recognition 1 (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995589 - Disclosure - Note 5 - Revenue Recognition 2 (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995590 - Disclosure - Note 5 - Revenue Recognition - Revenues Disaggregated By Revenue Source (Details) link:calculationLink link:definitionLink link:presentationLink 995591 - Disclosure - Note 6 - Property and Equipment (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995592 - Disclosure - Note 6 - Property and Equipment - Summary of Property and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995593 - Disclosure - Note 7 - Goodwill and Intangible Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995594 - Disclosure - Note 7 - Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) link:calculationLink link:definitionLink link:presentationLink 995595 - Disclosure - Note 7 - Goodwill and Intangible Assets - Identifiable Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995596 - Disclosure - Note 7 - Goodwill and Intangible Assets - Expected Annual Amortization Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995597 - Disclosure - Note 8 - Business Combinations (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995598 - Disclosure - Note 8 - Business Combination - Summary of Purchase Price (Details) link:calculationLink link:definitionLink link:presentationLink 995599 - Disclosure - Note 8 - Business Combination - Fair Value of the Assets Acquired and Liabilities Assumed (Details) link:calculationLink link:definitionLink link:presentationLink 995600 - Disclosure - Note 8 - Business Combination - Identifiable Intangible Assets and Their Estimated Useful Lives (Details) link:calculationLink link:definitionLink link:presentationLink 995601 - Disclosure - Note 8 - Business Combination - Pro Forma Financial Information, Business Acquisition (Details) link:calculationLink link:definitionLink link:presentationLink 995602 - Disclosure - Note 9 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995603 - Disclosure - Note 9 - Income Taxes - Schedule of Components of Earnings Before Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995604 - Disclosure - Note 9 - Income Taxes - Summary of Provision for Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995605 - Disclosure - Note 9 - Income Taxes - Reconciliation of Income Taxes at the Statutory Federal Income Tax Rate to the Provision for Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995606 - Disclosure - Note 9 - Income Taxes - Reconciliation of the Beginning and Ending Liability for Gross Unrecognized Tax Benefits (Details) link:calculationLink link:definitionLink link:presentationLink 995607 - Disclosure - Note 9 - Income Taxes - Significant Components of Deferred Tax Assets and Deferred Tax Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995608 - Disclosure - Note 9 - Income Taxes - Income Taxes Paid (Details) link:calculationLink link:definitionLink link:presentationLink 995609 - Disclosure - Note 10 - Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995610 - Disclosure - Note 10 - Stock Based Compensation - Stock Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995611 - Disclosure - Note 10 - Stock Based Compensation - RSUs Activities (Details) link:calculationLink link:definitionLink link:presentationLink 995612 - Disclosure - Note 10 - Stock Based Compensation - Stock Based Compensation Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995613 - Disclosure - Note 11 - Employee Benefit Plan (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995614 - Disclosure - Note 12 - Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995615 - Disclosure - Note 13 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995616 - Disclosure - Note 13 - Leases - Lease-related Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995617 - Disclosure - Note 13 - Leases - Lease-related Assets and Liabilities (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 995618 - Disclosure - Note 13 - Leases - Maturities of Lease Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink