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 follow:

	Three Months Ended March 31,
(in thousands, except per share data)	2022		2021
Numerator:
Net loss	$	(21,965)	$	(18,676)
Deemed dividend as a result of Class B warrant price reset (Note 10)	(2,259)		(8,239)
Net loss attributable to common stockholders	$	(24,224)	$	(26,915)
Denominator:
Weighted average shares of common stock outstanding—basic and diluted	33,737		20,751
Net loss per share attributable to common stockholders— basic and diluted	$	(0.72)	$	(1.30)

Schedule of Anti-dilutive Securities Excluded from Computation of Diluted Net Loss per Share Attributable to Common Stockholders

The Company excluded the following potential shares of common stock, presented based on amounts outstanding at each period end, from the computation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have had an anti-dilutive effect:

	Three Months Ended March 31,
	2022	2021
Options to purchase shares of common stock	2,049,158	1,858,154
Unvested restricted stock units	1,940,788	1,135,419
Warrants to purchase shares of common stock (excluding prefunded warrants, which are included in basic shares outstanding)	9,449,028	9,474,403
	13,438,974	12,467,976