Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Summary of Shares of Common Stock Reserved

The Company has reserved for future issuances the following shares of common stock as of December 31, 2021 and 2020:

	December 31,
	2021		2020
Stock options and restricted stock units		8,372,313		5,359,736
Warrants		10,687,912		9,040
Common stock issuable upon conversion of outstanding debt		2,439,024		2,439,024
Employee stock purchase plan		306,527		336,910
Total		21,805,776		8,144,710