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Statement of Convertible Preferred stock and Stockholders' Equity (Deficit) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Series B Convertible Preferred Stock    
Preferred stock issuance costs $ 288  
Series A Convertible Preferred Stock    
Preferred stock issuance costs   $ 270
Initial Public Offering    
Stock issuance costs $ 21,728