000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Disclosure - Note 1 - Basis of Presentation link:calculationLink link:definitionLink link:presentationLink 006 - Disclosure - Note 2 - Revenue link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 3 - Leases link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 4 - Other Assets link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 5 - Accrued Expenses link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 6 - Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 7 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 8 - Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 9 - Income Per Share link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 10 - Comprehensive Income (Loss) link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 11 - Segment Information link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 12 - Contingencies link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 13 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 3 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 4 - Other Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 5 - Accrued Expenses (Tables) link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note 6 - Stock-based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note 8 - Stockholders' Equity (Tables) link:calculationLink link:definitionLink link:presentationLink 024 - Disclosure - Note 9 - Income Per Share (Tables) link:calculationLink link:definitionLink link:presentationLink 025 - Disclosure - Note 11 - Segment Information (Tables) link:calculationLink link:definitionLink link:presentationLink 026 - Disclosure - Note 1 - Basis of Presentation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 027 - Disclosure - Note 2 - Revenue (Details Textual) link:calculationLink link:definitionLink link:presentationLink 028 - Disclosure - Note 3 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 029 - Disclosure - Note 3 - Leases - Lease Costs (Details) link:calculationLink link:definitionLink link:presentationLink 030 - Disclosure - Note 3 - Leases - Reconciliation of the Undiscounted Cash Flows From Operating Leases (Details) link:calculationLink link:definitionLink link:presentationLink 031 - Disclosure - Note 4 - Other Assets - Summary of Prepaid Expenses and Other Current Assets (Details) link:calculationLink link:definitionLink link:presentationLink 032 - Disclosure - Note 4 - Other Assets - Other Noncurrent Assets (Details) link:calculationLink link:definitionLink link:presentationLink 033 - Disclosure - Note 5 - Accrued Expenses - Summary of Accrued Expenses (Details) link:calculationLink link:definitionLink link:presentationLink 034 - Disclosure - Note 6 - Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 035 - Disclosure - Note 6 - Stock-based Compensation - Activity for Stock Options (Details) link:calculationLink link:definitionLink link:presentationLink 036 - Disclosure - Note 6 - Stock-based Compensation - Activity for Time-based and Performance-based Restricted Stock (Details) link:calculationLink link:definitionLink link:presentationLink 037 - Disclosure - Note 6 - Stock-based Compensation - Outstanding Performance Shares (Details) link:calculationLink link:definitionLink link:presentationLink 038 - Disclosure - Note 7 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 039 - Disclosure - Note 8 - Stockholders' Equity - Changes in Stockholders' Equity (Details) link:calculationLink link:definitionLink link:presentationLink 040 - Disclosure - Note 9 - Income Per Share (Details Textual) link:calculationLink link:definitionLink link:presentationLink 041 - Disclosure - Note 9 - Income Per Share - Computation Basic and Diluted Earnings Per Common Share (Details) link:calculationLink link:definitionLink link:presentationLink 042 - Disclosure - Note 10 - Comprehensive Income (Loss) (Details Textual) link:calculationLink link:definitionLink link:presentationLink 043 - Disclosure - Note 11 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 044 - Disclosure - Note 11 - Segment Information - Financial Information for the Company's Reportable Segments (Details) link:calculationLink link:definitionLink link:presentationLink 045 - Disclosure - Note 11 - Segment Information - Sales to External Customers and Long-lived Assets by Geographic Area (Details) link:calculationLink link:definitionLink link:presentationLink 046 - Disclosure - Note 12 - Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 047 - Disclosure - Note 13 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink