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Net Loss Per Common Share (Tables)
9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Schedule of Outstanding Common Stock Equivalents Excluded From Diluted Net Loss Per Common Share The following outstanding common stock equivalents have been excluded from diluted net loss per common share because their inclusion would be anti-dilutive:
 
 Three Months Ended September 30,Nine Months Ended September 30,
 2022202120222021
Shares of common stock subject to outstanding options4,043,274 3,668,179 3,902,116 3,817,351 
Employee stock purchase plan39,177 14,445 40,094 16,686 
Restricted stock units2,114,223 1,246,888 1,929,696 1,011,466 
Total common stock equivalents6,196,674 4,929,512 5,871,906 4,845,503