Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2021

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 March 31,
(In thousands, except for net loss per share)	2021			2020
Net loss	$	(11,596	)	$	(41,248	)
Accretion of redeemable series A-1 preferred stock		—			(5,415	)
Convertible and redeemable series A-2 preferred stock dividend		(4,100	)		—
Net loss attributable to common stockholders – basic    and diluted		(15,696	)		(46,663	)
Weighted-average common shares outstanding –    basic and diluted		25,117			8,904
Net loss per share attributable to common stockholders –    basic and diluted	$	(0.62	)	$	(5.24	)

Equity Shares Excluded from Calculation of Diluted Net 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:

	March 31,
	2021		2020
Stock options		3,293,679		2,095,909
Restricted stock		26,201		19,059
Warrants		—		116,350