0000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 0010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 0015 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0020 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 0021 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPRENHENSIVE LOSS (CALC 2) link:presentationLink link:calculationLink link:definitionLink 0030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 1010 - Disclosure - Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 1020 - Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 1030 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 1040 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 1050 - Disclosure - Marketable Securities link:presentationLink link:calculationLink link:definitionLink 1060 - Disclosure - Intangible Assets and Goodwill link:presentationLink link:calculationLink link:definitionLink 1070 - Disclosure - Term Loan link:presentationLink link:calculationLink link:definitionLink 1080 - Disclosure - Other Long-Term Liabilities link:presentationLink link:calculationLink link:definitionLink 1090 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 1100 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 1110 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2020 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 3030 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 3040 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 3050 - Disclosure - Marketable Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 3060 - Disclosure - Intangible Assets and Goodwill (Tables) link:presentationLink link:calculationLink link:definitionLink 3080 - Disclosure - Other Long-Term Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 3100 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 4010 - Disclosure - Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 4030 - Disclosure - Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 4040 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 4050 - Disclosure - Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 4051 - Disclosure - Marketable Securities (Details) (Calc 2) link:presentationLink link:calculationLink link:definitionLink 4052 - Disclosure - Marketable Securities (Details) (Calc 3) link:presentationLink link:calculationLink link:definitionLink 4060 - Disclosure - Intangible Assets and Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 4061 - Disclosure - Intangible Assets and Goodwill (Details) (Calc 2) link:presentationLink link:calculationLink link:definitionLink 4070 - Disclosure - Term Loan (Details) link:calculationLink link:definitionLink link:presentationLink 4080 - Disclosure - Other Long-Term Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 4081 - Disclosure - Other Long-Term Liabilities (Details) (Calc 2) link:presentationLink link:calculationLink link:definitionLink 4090 - Disclosure - Stockholders' Equity (Details) link:presentationLink link:calculationLink link:definitionLink 4100 - Disclosure - Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 4101 - Disclosure - Stock-Based Compensation (Details 2) link:presentationLink link:calculationLink link:definitionLink 4110 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 8000 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 8010 - Disclosure - PROPERTY AND EQUIPMENT, NET link:presentationLink link:calculationLink link:definitionLink 8020 - Disclosure - BUSINESS COMBINATIONS link:presentationLink link:calculationLink link:definitionLink 8030 - Disclosure - Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 8040 - Disclosure - ACCRUED EXPENSES link:presentationLink link:calculationLink link:definitionLink 8050 - Disclosure - SIGNIFICANT REVENUE ARRANGEMENTS link:presentationLink link:calculationLink link:definitionLink 8060 - Disclosure - COLLABORATION AGREEMENTS link:presentationLink link:calculationLink link:definitionLink 8070 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 8080 - Disclosure - RETIREMENT SAVINGS PLAN link:presentationLink link:calculationLink link:definitionLink 8090 - Disclosure - SELECTED QUARTERLY FINANCIAL DATA (Unaudited) link:presentationLink link:calculationLink link:definitionLink