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Unaudited Condensed Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Series A Convertible Preferred Stock [Member]    
Issuance costs $ 278  
Series B Convertible Preferred Stock [Member]    
Issuance costs 175  
Series Seed 2 Convertible Preferred Stock [Member]    
Issuance costs   $ 39
Initial Public Offering [Member]    
Issuance costs $ 18,733