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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2021
Accounting Policies [Abstract]  
Summary 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 (in common stock equivalent shares):

 

 

 

Three Months Ended
June 30,

 

 

Six Months Ended
June 30,

 

 

 

2021

 

 

2020

 

 

2021

 

 

2020

 

Common stock options

 

 

3,839,951

 

 

 

2,414,461

 

 

 

3,839,951

 

 

 

2,414,461

 

Common stock warrants

 

 

1,366,141

 

 

 

80,428

 

 

 

1,366,141

 

 

 

80,428

 

Total

 

 

5,206,092

 

 

 

2,494,889

 

 

 

5,206,092

 

 

 

2,494,889