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Basis of Presentation and Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of antidilutive securities excluded from computation of net loss per share The following potentially dilutive securities have been excluded from the computation of diluted weighted-average shares of common stock outstanding in the three and nine months ended September 30, 2021 and 2020, as they would be anti-dilutive:
September 30,
20212020
Stock options2,491,187 2,538,225 
Redeemable convertible preferred stock as converted to common stock— 20,300,253 
Unvested restricted stock— 16,789 
2,491,187 22,855,267