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Net Loss Per Common Share
 3 Months Ended
Mar. 31, 2023
Earnings Per Share [Abstract]  
Net Loss Per Common Share Net Loss Per Common Share
 
Basic net loss per common share is calculated by dividing net loss attributable to common stockholders by the weighted-average number of common shares outstanding during the period, without consideration of common stock equivalents. Diluted net loss per common share is computed by dividing net loss attributable to common stockholders by the weighted-average number of common share equivalents outstanding for the period determined using the treasury stock method. 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 March 31,
 20232022
Shares of common stock subject to outstanding options3,767,086 3,703,656 
Employee stock purchase plan33,998 30,622 
Restricted stock units2,349,151 1,559,540 
Total common stock equivalents6,150,235 5,293,818