2104100 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 2404403 - Disclosure - Acquisitions Acquisitions - Pro forma Financial Information (Details) link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Acquisitions (Details) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - Acquisitions (Tables) link:presentationLink link:calculationLink link:definitionLink 2116100 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 2416402 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 2416403 - Disclosure - Commitments and Contingencies - Future Minimum Payments (Details) link:presentationLink link:calculationLink link:definitionLink 2316301 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 2115100 - Disclosure - Concentration of Credit link:presentationLink link:calculationLink link:definitionLink 2415401 - Disclosure - Concentration of Credit (Details) link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1005000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 1003501 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 2114100 - Disclosure - Employee Savings Plan link:presentationLink link:calculationLink link:definitionLink 2414401 - Disclosure - Employee Savings Plan (Details) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2412402 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 2412403 - Disclosure - Fair Value Measurements - Level 3 Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 2312301 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2413403 - Disclosure - Income Taxes - Deferred Tax Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2413402 - 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Organization link:presentationLink link:calculationLink link:definitionLink 2401401 - Disclosure - Organization (Details) link:presentationLink link:calculationLink link:definitionLink 2109100 - Disclosure - Preferred Stock link:presentationLink link:calculationLink link:definitionLink 2409401 - Disclosure - Preferred Stock (Details) link:presentationLink link:calculationLink link:definitionLink 2409403 - Disclosure - Preferred Stock Preferred Stock - Series A Convertible Preferred Stock (Details) link:presentationLink link:calculationLink link:definitionLink 2409402 - Disclosure - Preferred Stock - Series B Convertible Preferred Stock (Details) link:presentationLink link:calculationLink link:definitionLink 2103100 - Disclosure - Recent Accounting Pronouncements link:presentationLink link:calculationLink link:definitionLink 2105100 - Disclosure - Restructuring link:presentationLink link:calculationLink link:definitionLink 2405401 - Disclosure - Restructuring (Details) link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - Selected Balance Sheet Components link:presentationLink link:calculationLink link:definitionLink 2406405 - Disclosure - Selected Balance Sheet Components - Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 2406404 - Disclosure - Selected Balance Sheet Components - Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Selected Balance Sheet Components (Details) link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - Selected Balance Sheet Components - Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - Selected Balance Sheet Components (Tables) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 2408401 - Disclosure - Shareholders' Equity (Details) link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 2111100 - Disclosure - Stock Purchase Warrants link:presentationLink link:calculationLink link:definitionLink 2411402 - Disclosure - Stock Purchase Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 2311301 - Disclosure - Stock Purchase Warrants (Tables) link:presentationLink link:calculationLink link:definitionLink 2117100 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 2417401 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink 2102100 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2402402 - Disclosure - Summary of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2402403 - Disclosure - Summary of Significant Accounting Policies - Undeclared Dividends (Details) link:presentationLink link:calculationLink link:definitionLink 2118100 - Disclosure - Supplementary Quarterly Financial Information (unaudited) link:presentationLink link:calculationLink link:definitionLink 2418402 - Disclosure - Supplementary Quarterly Financial Information (unaudited) (Details) link:presentationLink link:calculationLink link:definitionLink 2318301 - Disclosure - Supplementary Quarterly Financial Information (unaudited) (Tables) link:presentationLink link:calculationLink link:definitionLink