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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2020
Accounting Policies [Abstract]  
Summary of Outstanding Potentially Dilutive Shares Excluded from Calculation of Diluted Net Loss Per Share

The following 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:

 

 

 

As of June 30,

 

 

As of December 31,

 

 

 

2020

 

 

2019

 

Options to purchase common stock

 

 

4,921,326

 

 

 

3,366,812

 

Common stock subject to repurchase

 

 

322,853

 

 

 

389,649

 

Employee Stock Purchase Plan Contingently Issuable

 

 

7,278

 

 

 

 

Total

 

 

5,251,457

 

 

 

3,756,461