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Net Loss Per Share - Schedule of Number of Shares of Common Stock Underlying Potentially Dilutive Securities (Details) - shares
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Common stock dilutive securities 1,908,975 1,357,163
Options to purchase common stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Common stock dilutive securities 1,908,975 1,357,163