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Net Loss Per Share Attributable to Common Stockholders - Schedule of Anti-dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share (Details) - shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Convertible Preferred Stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive securities excluded from calculation of diluted net loss per share   117,809,883
Stock Options to Purchase Common Stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive securities excluded from calculation of diluted net loss per share 2,756,102 2,117,106
Restricted Stock Awards    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive securities excluded from calculation of diluted net loss per share 80,000  
Warrants to Purchase Common Stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive securities excluded from calculation of diluted net loss per share 27,759 27,759