Annual report pursuant to Section 13 and 15(d)

Statements of Redeemable Convertible Preferred Stock and Stockholders' (Deficit) Equity (Parenthetical)

v3.20.4
Statements of Redeemable Convertible Preferred Stock and Stockholders' (Deficit) Equity (Parenthetical) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2018
IPO    
Common stock, issuance costs   $ 10,564
Public Offering    
Common stock, issuance costs $ 15,686  
ATM    
Common stock, issuance costs $ 777  
Series C and E Redeemable Convertible Preferred Stock    
Issuance costs   $ 644