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Net Loss Per Share
3 Months Ended
Mar. 31, 2022
Earnings Per Share [Abstract]  
Net Loss Per Share Net Loss Per Share
The following outstanding potentially dilutive shares have been excluded from the calculation of diluted net loss per share for the periods presented due to their anti-dilutive effect:
 
March 31,
 20222021
Stock options to purchase common stock23,396,61818,118,103