Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Loss Per Share Attributable to Common Stockholders

The following table summarizes the computation of basic and diluted net loss per share attributable to common stockholders of the Company:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
(In thousands, except for net loss per share)	2022			2021			2022			2021
Net loss	$	(7,751	)	$	(13,148	)	$	(15,287	)	$	(26,079	)
Convertible and redeemable series A-2 preferred    stock dividend		(4,100	)		(4,100	)		(8,200	)		(8,200	)
Net loss attributable to common stockholders    –basic and diluted		(11,851	)		(17,248	)		(23,487	)		(34,279	)
Weighted-average common shares outstanding –    basic and diluted		29,678			26,056			29,670			25,586
Net loss per share attributable to common    stockholders –basic and diluted	$	(0.40	)	$	(0.66	)	$	(0.79	)	$	(1.34	)

Equity Shares Excluded from Calculation of Diluted Loss Per Share Attributable to Common Stockholders

The following equity shares were excluded from the calculation of diluted net loss per share attributable to common stockholders because their effect would have been anti-dilutive:

	June 30,
	2022		2021
Stock options		3,424,418		1,737,307
Restricted stock		1,777,958		28,623
SARs		3,000,000		—