Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share - Schedule of Antidilutive Securities (Details)

v3.20.2
Net Loss Per Share - Schedule of Antidilutive Securities (Details) - shares
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Employee stock options    
Net Loss Per Share    
Potentially dilutive securities 9,156,865 3,163,354
Restricted stock subject to forfeiture and restricted stock units    
Net Loss Per Share    
Potentially dilutive securities 2,025,215 838,429
Common stock warrants    
Net Loss Per Share    
Potentially dilutive securities 5,739,064 9,030,730