XML 96 R84.htm IDEA: XBRL DOCUMENT v3.21.1
Net Loss Per Share - Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share, amount (in shares) 3,560,541 5,303,125
Stock options to purchase common stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share, amount (in shares) 3,560,541 2,399,195
Unvested restricted stock units    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share, amount (in shares) 0 525,177
Convertible promissory notes    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share, amount (in shares) 0 2,378,753