Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2021

Accounting Policies [Abstract]

Schedule of Outstanding Potentially Dilutive Securities Excluded in Calculation of Diluted Net Loss Per Share

The following table sets forth the outstanding, potentially dilutive securities that have been excluded in the calculation of diluted net loss per share because their inclusion would be anti-dilutive:

	As of March 31,
	2021	2020
Common stock options	4,195,852	3,623,910
Warrants to purchase common stock	2,349,595	2,349,595
Employee stock purchase plan	562,393	—
Total	7,107,840	5,973,505