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Stock-based compensation - Summary of RSU Activity (Details) - Restricted Stock Units
12 Months Ended
Dec. 31, 2022
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of shares, Balance | shares 17,458
Number of shares, RSUs granted | shares 181,995
Number of shares, RSUs vested | shares (9,992)
Number of shares, RSUs forfeited | shares (13,398)
Number of shares, Balance | shares 176,063
Weighted average grant date fair value per share, Balance | $ / shares $ 866.76
Weighted average grant date fair value per share, RSUs granted | $ / shares 59.59
Weighted average grant date fair value per share, RSUs vested | $ / shares 495.48
Weighted average grant date fair value per share, RSUs forfeited | $ / shares 232.09
Weighted average grant date fair value per share, Balance | $ / shares $ 101.76