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Capital Structure - Common Stock (Details) - Class A common stock - shares
Mar. 31, 2023
Dec. 31, 2022
Class of Stock [Line Items]    
Shares reserved for future issuance (in shares) 15,206,091 13,729,552
Restricted Stock Units (RSUs)    
Class of Stock [Line Items]    
Shares reserved for future issuance (in shares) 347,436 0
Warrants to purchase Class A common stock    
Class of Stock [Line Items]    
Shares reserved for future issuance (in shares) 2,775,978 2,775,978
Options to purchase Class A common stock    
Class of Stock [Line Items]    
Shares reserved for future issuance (in shares) 8,875,249 8,428,441
Class A common stock available for future grants under the 2021 Equity Incentive Plan    
Class of Stock [Line Items]    
Shares reserved for future issuance (in shares) 2,312,525 1,926,356
Class A common stock available for future grants under the 2021 Employee Stock Purchase Plan    
Class of Stock [Line Items]    
Shares reserved for future issuance (in shares) 894,903 598,777