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 link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Comprehensive Income (Loss) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note A - Organization and Operations link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note B - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note C - Revenue Recognition link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note D - Operating Leases link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note E - Cash, Cash Equivalents and Restricted Cash link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note F - Earnings Per Share link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note G - Inventories link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note H - Property, Plant and Equipment link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note I - Intangible Assets link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note J - Fair Value of Financial Instruments link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note K - Notes Payable and Long-term Debt link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note L - Convertible Senior Notes link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note M - Accrued Liabilities link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note N - Other Income and Expense link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note O - Income Taxes link:calculationLink link:definitionLink link:presentationLink 022 - Disclosure - Note P - Share-based Compensation link:calculationLink link:definitionLink link:presentationLink 023 - Disclosure - Note Q - Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 024 - Disclosure - Note R - Segment and Geographic Information link:calculationLink link:definitionLink link:presentationLink 025 - Disclosure - Note S - Employee Benefit Plans link:calculationLink link:definitionLink link:presentationLink 026 - Disclosure - Note T - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 027 - Disclosure - Note U - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 028 - Disclosure - Note V - Selected Quarterly Financial Data (Unaudited) link:calculationLink link:definitionLink link:presentationLink 029 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 030 - Disclosure - Note B - Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 031 - Disclosure - Note C - Revenue Recognition (Tables) link:calculationLink link:definitionLink link:presentationLink 032 - Disclosure - Note D - Operating Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 033 - Disclosure - Note E - Cash, Cash Equivalents and Restricted Cash (Tables) link:calculationLink link:definitionLink link:presentationLink 034 - Disclosure - Note F - Earnings Per Share (Tables) link:calculationLink link:definitionLink link:presentationLink 035 - Disclosure - Note G - Inventories (Tables) link:calculationLink link:definitionLink link:presentationLink 036 - Disclosure - Note H - Property, Plant and Equipment (Tables) link:calculationLink link:definitionLink link:presentationLink 037 - Disclosure - Note I - Intangible Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 038 - Disclosure - Note J - Fair Value of Financial Instruments (Tables) link:calculationLink link:definitionLink link:presentationLink 039 - Disclosure - Note K - Notes Payable and Long-term Debt (Tables) link:calculationLink link:definitionLink link:presentationLink 040 - Disclosure - Note L - Convertible Senior Notes (Tables) link:calculationLink link:definitionLink link:presentationLink 041 - Disclosure - Note M - Accrued Liabilities (Tables) link:calculationLink link:definitionLink link:presentationLink 042 - Disclosure - Note N - Other Income and Expense (Tables) link:calculationLink link:definitionLink link:presentationLink 043 - Disclosure - Note O - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 044 - Disclosure - Note P - Share-based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 045 - Disclosure - Note R - Segment and Geographic Information (Tables) link:calculationLink link:definitionLink link:presentationLink 046 - Disclosure - Note T - Commitments and Contingencies (Tables) link:calculationLink link:definitionLink link:presentationLink 047 - Disclosure - Note V - Selected Quarterly Financial Data (Unaudited) (Tables) link:calculationLink link:definitionLink link:presentationLink 048 - Disclosure - Note B - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 049 - Disclosure - Note B - Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 050 - Disclosure - Note B - Summary of Significant Accounting Policies - Product Warrant Liability (Details) link:calculationLink link:definitionLink link:presentationLink 051 - Disclosure - Note C - Revenue Recognition - Revenue by Major Product Category (Details) link:calculationLink link:definitionLink link:presentationLink 052 - Disclosure - Note D - Operating Leases - Components of Lease Expense (Details) link:calculationLink link:definitionLink link:presentationLink 053 - Disclosure - Note D - Operating Leases - Maturities of Lease Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 054 - Disclosure - Note E - Cash, Cash Equivalents and Restricted Cash (Details Textual) link:calculationLink link:definitionLink link:presentationLink 055 - Disclosure - Note E - Cash, Cash Equivalents and Restricted Cash - Summary of Cash, Cash Equivalents and Restricted Cash (Details) link:calculationLink link:definitionLink link:presentationLink 056 - Disclosure - Note F - Earnings Per Share - Computation of Basic and Diluted Net Income (Loss) per Share (Details) link:calculationLink link:definitionLink link:presentationLink 057 - Disclosure - Note F - Earnings Per Share - Potentially Dilutive Securities Excluded from Diluted Net Income (Loss) per Share (Details) link:calculationLink link:definitionLink link:presentationLink 058 - Disclosure - Note G - Inventories (Details Textual) link:calculationLink link:definitionLink link:presentationLink 059 - Disclosure - Note G - Inventories - Inventories (Details) link:calculationLink link:definitionLink link:presentationLink 060 - Disclosure - Note H - Property, Plant and Equipment (Details Textual) link:calculationLink link:definitionLink link:presentationLink 061 - Disclosure - Note H - Property, Plant and Equipment - Property, Plant and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 062 - Disclosure - Note I - Intangible Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 063 - Disclosure - Note I - Intangible Assets - Finite Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 064 - Disclosure - Note I - Intangible Assets - Future Amortization Expense (Details) link:calculationLink link:definitionLink link:presentationLink 065 - Disclosure - Note J - Fair Value of Financial Instruments - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) link:calculationLink link:definitionLink link:presentationLink 066 - Disclosure - Note K - Notes Payable and Long-term Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 067 - Disclosure - Note K - Notes Payable and Long-term Debt - Schedule of Notes Payable and Long-term Debt (Details) link:calculationLink link:definitionLink link:presentationLink 068 - Disclosure - Note K - Notes Payable and Long-term Debt - Schedule of Notes Payable and Long-term Debt (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 069 - Disclosure - Note K - Notes Payable and Long-term Debt - Maturities of Notes Payable and Long-term Debt (Details) link:calculationLink link:definitionLink link:presentationLink 070 - Disclosure - Note L - Convertible Senior Notes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 071 - Disclosure - Note L - Convertible Senior Notes - Schedule of Carrying Value of Convertible Senior Notes (Details) link:calculationLink link:definitionLink link:presentationLink 072 - Disclosure - Note L - Convertible Senior Notes - Schedule of Interest Expense (Details) link:calculationLink link:definitionLink link:presentationLink 073 - Disclosure - Note M - Accrued Liabilities - Accrued Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 074 - Disclosure - Note N - Other Income and Expense - Other Income and Expense (Details) link:calculationLink link:definitionLink link:presentationLink 075 - Disclosure - Note O - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 076 - Disclosure - Note O - Income Taxes - Income (Loss) from Operations Before Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 077 - Disclosure - Note O - Income Taxes - Provision for Income Tax Expense (Benefit) (Details) link:calculationLink link:definitionLink link:presentationLink 078 - Disclosure - Note O - Income Taxes - Net Deferred Tax Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 079 - Disclosure - Note O - Income Taxes - Summary of Valuation of Allowance (Details) link:calculationLink link:definitionLink link:presentationLink 080 - Disclosure - Note O - Income Taxes - Reconciliation of the U.S. Federal Income Tax Rate (Details) link:calculationLink link:definitionLink link:presentationLink 081 - Disclosure - Note O - Income Taxes - Unrecognized Tax Benefits (Details) link:calculationLink link:definitionLink link:presentationLink 082 - Disclosure - Note P - Share-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 083 - Disclosure - Note P - Share-based Compensation - Option Activity (Details) link:calculationLink link:definitionLink link:presentationLink 084 - Disclosure - Note P - Share-based Compensation - Restricted Stock Unit/Awards Activity (Details) link:calculationLink link:definitionLink link:presentationLink 085 - Disclosure - Note P - Share-based Compensation - Share-based Compensation (Details) link:calculationLink link:definitionLink link:presentationLink 086 - Disclosure - Note Q - Stockholders' Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 087 - Disclosure - Note R - Segment and Geographic Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 088 - Disclosure - Note R - Segment and Geographic Information - Revenue Information by Geographic Region (Details) link:calculationLink link:definitionLink link:presentationLink 089 - Disclosure - Note R - Segment and Geographic Information - Asset Information by Geographic Region (Details) link:calculationLink link:definitionLink link:presentationLink 090 - Disclosure - Note S - Employee Benefit Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 091 - Disclosure - Note T - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 092 - Disclosure - Note T - Commitments and Contingencies - Minimum Rental Commitments (Details) link:calculationLink link:definitionLink link:presentationLink 093 - Disclosure - Note U - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink 094 - Disclosure - Note V - Selected Quarterly Financial Data (Unaudited) - Quarterly Financial Information (Details) link:calculationLink link:definitionLink link:presentationLink