0001001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - Organization and Description of Business link:presentationLink link:calculationLink link:definitionLink 2402401 - Disclosure - Organization and Description of Business (Details) link:presentationLink link:calculationLink link:definitionLink 2103102 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2204201 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Financial Assets and Liabilities Remeasured on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 2108103 - Disclosure - Strategic Agreements link:presentationLink link:calculationLink link:definitionLink 2409404 - Disclosure - Strategic Agreements (Details) link:presentationLink link:calculationLink link:definitionLink 2110104 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 2311302 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 2412405 - Disclosure - Stockholders' Equity - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2413406 - Disclosure - Stockholders' Equity - Schedule of Common Stock Warrants Outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 2114105 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 2315303 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 2416407 - Disclosure - Stock Based Compensation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2417408 - Disclosure - Stock-Based Compensation - Summary of Stock Option Activity for Amended 2014 Plan and Related Information (Details) link:presentationLink link:calculationLink link:definitionLink 2418409 - Disclosure - Stock-Based Compensation - Summary of Recognized Stock-Based Compensation Expense Related to Stock Options Granted to Employees and Directors (Details) link:presentationLink link:calculationLink link:definitionLink 2419410 - Disclosure - Stock-Based Compensation - Summary of Assumptions Used in Black-Scholes Option-Pricing Model for Stock Options Granted to Employees and Directors (Details) link:presentationLink link:calculationLink link:definitionLink 2120106 - Disclosure - Leased Properties link:presentationLink link:calculationLink link:definitionLink 2321304 - Disclosure - Leased Properties (Tables) link:presentationLink link:calculationLink link:definitionLink 2422411 - Disclosure - Leased Properties - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2423412 - Disclosure - Leased Properties - Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 2423412 - Disclosure - Leased Properties - Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 2124107 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 2425413 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 2126108 - Disclosure - Grant Awards link:presentationLink link:calculationLink link:definitionLink 2427414 - Disclosure - Grant Awards (Details) link:presentationLink link:calculationLink link:definitionLink 2128109 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 2329305 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 2430415 - Disclosure - Net Loss Per Share - Potential Dilutive Outstanding Securities Excluded From Diluted Net Loss Per Common Share (Details) link:presentationLink link:calculationLink link:definitionLink 2131110 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 2432416 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink