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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, 2020
Sep. 30, 2019
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Common stock dilutive securities 1,357,163 1,394,664
Options to purchase common stock and unvested, unsettled restricted stock units    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Common stock dilutive securities 1,357,163 1,394,664