101 - Document - Document and Entity Information link:calculationLink link:presentationLink link:definitionLink 103 - Statement - Condensed Consolidated Balance Sheets link:calculationLink link:presentationLink link:definitionLink 104 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 105 - Statement - Condensed Consolidated Statements Of Operations link:calculationLink link:presentationLink link:definitionLink 106 - Statement - Consolidated Statement Of Changes In Redeemable Convertible Preferred Stock And Stockholders' (Deficit) Equity link:calculationLink link:presentationLink link:definitionLink 107 - Statement - Condensed Consolidated Statements Of Cash Flows link:calculationLink link:presentationLink link:definitionLink 108 - Disclosure - Basis of Presentation link:calculationLink link:presentationLink link:definitionLink 109 - Disclosure - Accrued Expenses link:calculationLink link:presentationLink link:definitionLink 110 - Disclosure - Stock-Based Compensation link:calculationLink link:presentationLink link:definitionLink 111 - Disclosure - Common Stock Warrants link:calculationLink link:presentationLink link:definitionLink 112 - Disclosure - Fair Value of Financial Instruments link:calculationLink link:presentationLink link:definitionLink 113 - Disclosure - Loss Per Share link:calculationLink link:presentationLink link:definitionLink 114 - Disclosure - Common Stock and Warrant Offering and Reverse Split link:calculationLink link:presentationLink link:definitionLink 115 - Disclosure - Commitments, Contingencies and Legal Proceedings link:calculationLink link:presentationLink link:definitionLink 116 - Disclosure - Subsequent Events link:calculationLink link:presentationLink link:definitionLink 117 - Disclosure - Accrued Expenses (Tables) link:calculationLink link:presentationLink link:definitionLink 118 - Disclosure - Stock-Based Compensation (Tables) link:calculationLink link:presentationLink link:definitionLink 119 - Disclosure - Common Stock Warrants (Tables) link:calculationLink link:presentationLink link:definitionLink 120 - Disclosure - Loss Per Share (Tables) link:calculationLink link:presentationLink link:definitionLink 121 - Disclosure - Basis of Presentation - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 122 - Disclosure - Accrued Expenses (Detail) link:calculationLink link:presentationLink link:definitionLink 123 - Disclosure - Stock-Based Compensation Expense Related to Common Stock Options, Common Stock, Restricted Common Stock and Common Stock Warrants (Detail) link:calculationLink link:presentationLink link:definitionLink 124 - Disclosure - Summary of Stock Option Activity (Detail) link:calculationLink link:presentationLink link:definitionLink 125 - Disclosure - Stock-Based Compensation - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 126 - Disclosure - Weighted Average Assumptions Used to Determine Fair Value of Options Granted (Detail) link:calculationLink link:presentationLink link:definitionLink 127 - Disclosure - Common Stock Warrant Activity (Detail) link:calculationLink link:presentationLink link:definitionLink 128 - Disclosure - Common Stock Warrants - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 129 - Disclosure - Fair Value of Financial Instruments - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 130 - Disclosure - Dilutive Shares Which Could Exist Pursuant to Exercise of Outstanding Stock Instruments and Which were not Included in Calculation (Detail) link:calculationLink link:presentationLink link:definitionLink 131 - Disclosure - Common Stock and Warrant Offering and Reverse Split - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 132 - Disclosure - Commitments, Contingencies and Legal Proceedings - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 133 - Disclosure - Subsequent Events - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink