Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Restricted stock units activity (Details)

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Stock Based Compensation - Restricted stock units activity (Details) - Unvested restricted stock units - $ / shares
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Number of Shares    
Outstanding, beginning balance (in shares) 7,501,945  
Granted (in shares) 6,491,541  
Vested (in shares) (1,409,257)  
Cancelled (in shares) (188,696)  
Outstanding, ending balance (in shares) 12,395,533  
Grant Date Fair Value    
Outstanding, beginning balance (in dollars per share) $ 3.30 $ 3.54
Granted (in dollars per share) 3.10  
Vested (in dollars per share) 3.54  
Cancelled (in dollars per share) 3.95  
Outstanding, ending balance (in dollars per share) $ 3.30 $ 3.54