Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Computation of basic and diluted net loss per share

The following table summarizes the computation of basic and diluted net loss per share attributable to common stockholders for the years ended December 31, 2021, 2020, and 2019:


	Year Ended December 31,
(in thousands, except share and per share amounts)	2021		2020		2019
Numerator:
Net loss	$	(20,963)	$	(12,528)	$	(29,853)
Accretion of redeemable convertible preferred stock to redemption value	(7,061)		(15,095)		(13,744)
Net loss attributable to common stockholders	$	(28,024)	$	(27,623)	$	(43,597)
Denominator:
Weighted average common shares outstanding—basic and diluted	26,059,744		11,034,620		10,772,486
Net loss per share attributable to common stockholders—basic and diluted	$	(1.08)	$	(2.50)	$	(4.05)

Antidilutive securities excluded from computation of diluted net loss per share

The Company excluded the following potential common shares, 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:


	Year Ended December 31,
	2021	2020	2019
Options to purchase common stock	3,949,943	3,170,321	3,453,324
Restricted stock units	309,530	—	—
Common stock warrants to purchase common stock	—	44,222	44,222
Redeemable convertible preferred stock (as converted to common stock)	—	19,243,795	19,243,795
	4,259,473	22,458,338	22,741,341