Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Summary of Basic and Diluted Net Loss per Share Attributable to Common Stockholders

Basic and diluted net loss per share attributable to common stockholders was calculated as follows (in thousands, except share and per share data):

	Three Months Ended March 31,
	2022			2021
Numerator:
Net loss	$	(11,813	)	$	(11,636	)
Net loss attributable to common stockholders	$	(11,813	)	$	(11,636	)
Denominator:
Weighted-average common shares—basic and diluted		89,382,587			55,021,149
Net loss per share attributable to common    stockholders—basic and diluted	$	(0.13	)	$	(0.21	)

Summary of Anti-dilutive Securities Excluded from Calculation of Diluted Net Loss per Share

The following table sets forth the potentially dilutive securities that have been excluded from the calculation of diluted net loss per share because to include them would be anti-dilutive (in common stock equivalent shares):

	Three Months Ended March 31,
	2022		2021
Stock options		5,737,536		6,535,091
Restricted stock units		2,251,500		620,277
Warrants		10,687,912		9,040
Common stock issuable upon conversion of outstanding debt		1,219,512		2,439,024
Total		19,896,460		9,603,432