00100 - Statement - Consolidated Balance Sheetslink:presentationLinklink:calculationLinklink:definitionLink00200 - Statement - Consolidated Statements of Operationslink:presentationLinklink:calculationLinklink:definitionLink00300 - Statement - Consolidated Statements of Cash Flowslink:presentationLinklink:calculationLinklink:definitionLink40401 - Disclosure - Inventories (Details)link:presentationLinklink:calculationLinklink:definitionLink40501 - Disclosure - Equipment and Leasehold Improvements (Details)link:presentationLinklink:calculationLinklink:definitionLink40602 - Disclosure - Income Taxes (Components of Income Tax (Benefit) Provision) (Details)link:presentationLinklink:calculationLinklink:definitionLink40603 - Disclosure - Income Taxes (Effective Income Tax Rate Reconciliation) (Details)link:presentationLinklink:calculationLinklink:definitionLink40604 - Disclosure - Income Taxes (Schedule of Deferred Income Tax Assets and Liabilities) (Details)link:presentationLinklink:calculationLinklink:definitionLink40801 - Disclosure - Accrued Liabilities (Details)link:presentationLinklink:calculationLinklink:definitionLink41001 - Disclosure - Income (Loss) Per Common and Common Stock Equivalent Share (Details)link:presentationLinklink:calculationLinklink:definitionLink41303 - Disclosure - Leases (Future Minimum Lease Payments) (Details)link:presentationLinklink:calculationLinklink:definitionLink00400 - Statement - Consolidated Statements of Stockholders' Equitylink:presentationLinklink:calculationLinklink:definitionLink40101 - Disclosure - Significant Accounting Policies (Narrative I) (Details)link:presentationLinklink:calculationLinklink:definitionLink40102 - Disclosure - Significant Accounting Policies (Narrative II) (Details)link:presentationLinklink:calculationLinklink:definitionLink40301 - Disclosure - Revenue Recognition (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40302 - Disclosure - Revenue Recognition (Disaggregation of Revenue) (Details)link:presentationLinklink:calculationLinklink:definitionLink40601 - Disclosure - Income Taxes (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40701 - Disclosure - Credit Facility and SBA Loan (Details)link:presentationLinklink:calculationLinklink:definitionLink40901 - Disclosure - Deferred Compensation (Details)link:presentationLinklink:calculationLinklink:definitionLink41101 - Disclosure - Stock Options (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41201 - Disclosure - Stock Repurchase Program (Details)link:presentationLinklink:calculationLinklink:definitionLink41501 - Disclosure - Concentrations (Details)link:presentationLinklink:calculationLinklink:definitionLink41701 - Disclosure - Legal Matters (Details)link:presentationLinklink:calculationLinklink:definitionLink00090 - Document - Document Information Statementlink:presentationLinklink:calculationLinklink:definitionLink00105 - Statement - Consolidated Balance Sheets (Parentheticals)link:presentationLinklink:calculationLinklink:definitionLink10101 - Disclosure - Significant Accounting Policieslink:presentationLinklink:calculationLinklink:definitionLink10201 - Disclosure - New Accounting Pronouncementslink:presentationLinklink:calculationLinklink:definitionLink10301 - Disclosure - Revenue Recognitionlink:presentationLinklink:calculationLinklink:definitionLink10401 - Disclosure - Inventorieslink:presentationLinklink:calculationLinklink:definitionLink10501 - Disclosure - Equipment and Leasehold Improvementslink:presentationLinklink:calculationLinklink:definitionLink10601 - Disclosure - Income Taxeslink:presentationLinklink:calculationLinklink:definitionLink10701 - Disclosure - Credit Facility and SBA Loanlink:presentationLinklink:calculationLinklink:definitionLink10801 - Disclosure - Accrued Liabilitieslink:presentationLinklink:calculationLinklink:definitionLink10901 - Disclosure - Deferred Compensationlink:presentationLinklink:calculationLinklink:definitionLink11001 - Disclosure - Income (Loss) Per Common and Common Stock Equivalent Sharelink:presentationLinklink:calculationLinklink:definitionLink11101 - Disclosure - Stock Optionslink:presentationLinklink:calculationLinklink:definitionLink11201 - Disclosure - Stock Repurchase Programlink:presentationLinklink:calculationLinklink:definitionLink11301 - Disclosure - Leaseslink:presentationLinklink:calculationLinklink:definitionLink11401 - Disclosure - Employee Benefit Planslink:presentationLinklink:calculationLinklink:definitionLink11501 - Disclosure - Concentrationslink:presentationLinklink:calculationLinklink:definitionLink11601 - Disclosure - Subsequent Eventslink:presentationLinklink:calculationLinklink:definitionLink11701 - Disclosure - Legal Matterslink:presentationLinklink:calculationLinklink:definitionLink20101 - Disclosure - Significant Accounting Policies (Policies)link:presentationLinklink:calculationLinklink:definitionLink30301 - Disclosure - Revenue Recognition (Tables)link:presentationLinklink:calculationLinklink:definitionLink30401 - Disclosure - Inventories (Tables)link:presentationLinklink:calculationLinklink:definitionLink30503 - Disclosure - Equipment and Leasehold Improvements (Table)link:presentationLinklink:calculationLinklink:definitionLink30603 - Disclosure - Income Taxes (Table)link:presentationLinklink:calculationLinklink:definitionLink30803 - Disclosure - Accrued Liabilities (Table)link:presentationLinklink:calculationLinklink:definitionLink31001 - Disclosure - Income (Loss) Per Common and Common Stock Equivalent Share (Tables)link:presentationLinklink:calculationLinklink:definitionLink31101 - Disclosure - Stock Options (Tables)link:presentationLinklink:calculationLinklink:definitionLink31301 - Disclosure - Leases (Tables)link:presentationLinklink:calculationLinklink:definitionLink40605 - Disclosure - Income Taxes (Schedule of Change in Valuation Allowance) (Details)link:presentationLinklink:calculationLinklink:definitionLink41102 - Disclosure - Stock Options (Stock Options, Assumptions) (Details)link:presentationLinklink:calculationLinklink:definitionLink41103 - Disclosure - Stock Options (Stock Option Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink41104 - Disclosure - Stock Options (Intrinsic Value) (Details)link:presentationLinklink:calculationLinklink:definitionLink41105 - Disclosure - Stock Options (Nonvested Option Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink41301 - Disclosure - Leases (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41302 - Disclosure - Leases (Lease Expense) (Details)link:presentationLinklink:calculationLinklink:definitionLink41401 - Disclosure - Employee Benefit Plans (Details)link:presentationLinklink:calculationLinklink:definitionLink