Net Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2020

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 for the three and nine months ended September 30, 2020 and September 30, 2019:

	Three Months Ended September 30,						Nine Months Ended September 30,
In thousands, except for net loss per share	2020			2019			2020			2019
Net loss	$	(30,737	)	$	(6,683	)	$	(58,761	)	$	(12,247	)
Accretion of redeemable series A-1 preferred stock		(6,542	)		(5,030	)		(17,601	)		(14,341	)
Redeemable series A-1 preferred stock deemed dividend		(24,341	)		—			(24,341	)		—
Convertible and redeemable series A-2 preferred stock dividend		(2,870	)		—			(2,870	)		—
Net loss attributable to common stockholders – basic    and diluted		(64,490	)		(11,713	)		(103,573	)		(26,588	)
Weighted-average common shares outstanding –    basic and diluted		21,554			8,718			13,669			8,640
Net loss per share attributable to common stockholders –    basic and diluted	$	(2.99	)	$	(1.34	)	$	(7.58	)	$	(3.08	)

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 for the three and nine months ended September 30, 2020 and September 30, 2019:

	September 30,
	2020		2019
Stock options		2,423,900		2,062,825
Restricted stock		176,384		158,426
Warrants		116,350		116,350