00100 - Statement - Condensed Consolidated Balance Sheetslink:presentationLinklink:calculationLinklink:definitionLink00200 - Statement - Condensed Consolidated Statements of Operationslink:presentationLinklink:calculationLinklink:definitionLink00300 - Statement - Condensed Consolidated Statements of Cash Flowslink:presentationLinklink:calculationLinklink:definitionLink40106 - Disclosure - Summary of Significant Accounting Policies (Schedule of Deferred Tax Assets and Liabilities) (Details)link:presentationLinklink:calculationLinklink:definitionLink40201 - Disclosure - Investments (Summary of Unrealized Positions for Held-to-Maturity Debt Securities) (Details)link:presentationLinklink:calculationLinklink:definitionLink40202 - Disclosure - Investments (Summary of Held-to-Maturity Debt Securities by Contractual Maturity) (Details)link:presentationLinklink:calculationLinklink:definitionLink40301 - Disclosure - Inventories (Components of Inventories) (Details)link:presentationLinklink:calculationLinklink:definitionLink40601 - Disclosure - (Loss) Income per Common and Common Stock Equivalent Share (Reconciliation of Numerator and Denominator Used to Calculate Basic and Diluted (Loss) Income per Share) (Details)link:presentationLinklink:calculationLinklink:definitionLink00400 - Statement - Condensed Consolidated Statements of Stockholders' Equitylink:presentationLinklink:calculationLinklink:definitionLink40101 - Disclosure - Summary of Significant Accounting Policies (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40102 - Disclosure - Summary of Significant Accounting Policies (Effect of Revision of Condensed Consolidated Balance Sheet) (Details)link:presentationLinklink:calculationLinklink:definitionLink40103 - Disclosure - Summary of Significant Accounting Policies (Effect of Revision of Consolidated Statements Of Operations) (Details)link:presentationLinklink:calculationLinklink:definitionLink40104 - Disclosure - Summary of Significant Accounting Policies (Effect of Revision of Condensed Consolidated Statement Of Cash Flows) (Details)link:presentationLinklink:calculationLinklink:definitionLink40105 - Disclosure - Summary of Significant Accounting Policies (Effect of Revision of Consolidated Statements of Changes in Stockholders Equity) (Details)link:presentationLinklink:calculationLinklink:definitionLink40401 - Disclosure - Credit Facility (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40501 - Disclosure - Revenue Recognition (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40502 - Disclosure - Revenue Recognition (Disaggregation of Revenue) (Details)link:presentationLinklink:calculationLinklink:definitionLink40701 - Disclosure - Related Party Transactions (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40801 - Disclosure - Accounts Receivable Concentrations (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40901 - Disclosure - Employee Stock Ownership Plan (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41001 - Disclosure - Stock-Based Compensation (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41101 - Disclosure - Legal Matters (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink00090 - Document - Document and Entity Informationlink:presentationLinklink:calculationLinklink:definitionLink00105 - Statement - Condensed Consolidated Balance Sheets (Parentheticals)link:presentationLinklink:calculationLinklink:definitionLink10101 - Disclosure - Summary of Significant Accounting Policieslink:presentationLinklink:calculationLinklink:definitionLink10201 - Disclosure - Investmentslink:presentationLinklink:calculationLinklink:definitionLink10301 - Disclosure - Inventorieslink:presentationLinklink:calculationLinklink:definitionLink10401 - Disclosure - Credit Facilitylink:presentationLinklink:calculationLinklink:definitionLink10501 - Disclosure - Revenue Recognitionlink:presentationLinklink:calculationLinklink:definitionLink10601 - Disclosure - (Loss) Income per Common and Common Stock Equivalent Sharelink:presentationLinklink:calculationLinklink:definitionLink10701 - Disclosure - Related Party Transactionslink:presentationLinklink:calculationLinklink:definitionLink10801 - Disclosure - Accounts Receivable Concentrationslink:presentationLinklink:calculationLinklink:definitionLink10901 - Disclosure - Employee Stock Ownership Planlink:presentationLinklink:calculationLinklink:definitionLink11001 - Disclosure - Stock-Based Compensationlink:presentationLinklink:calculationLinklink:definitionLink11101 - Disclosure - Legal Matterslink:presentationLinklink:calculationLinklink:definitionLink20101 - Disclosure - Summary of Significant Accounting Policies (Policies)link:presentationLinklink:calculationLinklink:definitionLink30103 - Disclosure - Summary of Significant Accounting Policies (Tables)link:presentationLinklink:calculationLinklink:definitionLink30203 - Disclosure - Investments (Tables)link:presentationLinklink:calculationLinklink:definitionLink30303 - Disclosure - Inventories (Tables)link:presentationLinklink:calculationLinklink:definitionLink30503 - Disclosure - Revenue Recognition (Tables)link:presentationLinklink:calculationLinklink:definitionLink30603 - Disclosure - (Loss) Income per Common and Common Stock Equivalent Share (Tables)link:presentationLinklink:calculationLinklink:definitionLink