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Net loss per share (Tables)
9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Schedule of Outstanding Potentially Dilutive Securities
The following table sets forth the outstanding potentially dilutive securities that have been excluded from the calculation of diluted net loss per share because to include them would be anti-dilutive (in common stock equivalent shares):
Three and Nine Months Ended
September 30, 2022
Three and Nine Months Ended
September 30, 2021
Stock options10,524,780 8,215,549 
Unvested restricted stock units1,870,682 800,466 
Warrants22,590 39,474 
12,418,052 9,055,489