XML 42 R6.htm IDEA: XBRL DOCUMENT v3.22.0.1
Statements of Convertible Preferred Stock and Stockholders' (Deficit) Equity (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Common Stock      
Issuance costs $ 20,359    
Series C Convertible Preferred Stock      
Issuance costs     $ 168
Series D Convertible Preferred Stock      
Issuance costs   $ 208