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Net Loss Per Share - Schedule of Potentially Dilutive Securities Excluded From Computation of Diluted Net Loss Per Share Attributable to Common Stockholders (Details) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of diluted net loss per share 5,357,389 5,188,531 23,845,796
Options Issued and Outstanding      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of diluted net loss per share 5,357,389 5,188,531 3,364,568
Common Stock Warrant      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of diluted net loss per share     31,857
Redeemable Convertible Preferred Stock Warrant      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of diluted net loss per share     59,276
Series A Redeemable Convertible Preferred Stock      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of diluted net loss per share     6,225,719
Series B Redeemable Convertible Preferred Stock      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of diluted net loss per share     6,786,896
Series C Redeemable Convertible Preferred Stock      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of diluted net loss per share     7,377,480