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Capital Structure - Common Stock (Details) - Class A common stock - shares
Jun. 30, 2022
Dec. 31, 2021
Class of Stock [Line Items]    
Shares reserved for future issuance (in shares) 13,768,018 12,517,436
Warrants to purchase Class A common stock    
Class of Stock [Line Items]    
Shares reserved for future issuance (in shares) 2,788,484 2,788,484
Options to purchase Class A common stock    
Class of Stock [Line Items]    
Shares reserved for future issuance (in shares) 8,743,143 6,287,126
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) 1,637,614 3,136,737
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) 598,777 305,089