Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2021

Accounting Policies [Abstract]

Summary of Outstanding Potentially Dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share

For the periods presented, the following table sets forth the outstanding potentially dilutive securities that have been excluded from the calculation of diluted net loss per share because to do so would be anti-dilutive:

	Three Months Ended March 31,
	2021		2020
Warrants to purchase common stock		1,841,879		2,713,561
Common stock options		5,392,259		3,989,371
Employee stock purchase plan	—			24,714
Total excluded securities		7,234,138		6,727,646