Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share - Schedule of Antidilutive Shares Excluded from Calculation of Diluted Net Loss Per Share (Details)

v3.20.2
Net Loss Per Share - Schedule of Antidilutive Shares Excluded from Calculation of Diluted Net Loss Per Share (Details) - shares
 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive shares have been excluded from calculation of diluted net loss per share 3,585,640 22,919,018
Convertible Preferred Stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive shares have been excluded from calculation of diluted net loss per share   19,356,835
Stock Options to Purchase Common Stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive shares have been excluded from calculation of diluted net loss per share 2,889,045 1,942,411
Non-vested Common Stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive shares have been excluded from calculation of diluted net loss per share 696,595 1,619,772