Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share - Antidilutive Securities (Details)

v3.21.2
Net Loss Per Share - Antidilutive Securities (Details) - shares
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities (in shares) 52,456,407 51,277,083
Options to purchase common stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities (in shares) 8,513,298 7,333,974
Redeemable convertible preferred stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities (in shares) 43,836,109 43,836,109
Warrants    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities (in shares) 107,000 107,000