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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2020
Accounting Policies [Abstract]  
Schedule of Potentially Dilutive Securities Not Included in Calculation of Diluted Net Loss per Share
Potentially dilutive securities, not included in the calculation of diluted net loss per share attributable to common stockholders because to do so would be anti-dilutive, are as follows:
As of September 30,
20202019
Options to purchase common stock969,822 384,130 
Restricted Stock Units— 68,519