Net Loss per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders for the periods indicated:

(in thousands, except per share amounts)	Year Ended December 31,
	2019		2020		2021
Numerator:
Net loss attributable to stockholders	$	(46,682)	$	(52,293)	$	(18,527)
Undistributed losses allocated to stockholders	$	(46,682)	$	(52,293)	$	(18,527)
Denominator:
Weighted average number of shares outstanding, basic	88,154,830		88,345,312		90,218,386
Weighted average additional shares assuming conversion of potential shares of common stock	—		—		—
Weighted average shares of common stock outstanding - diluted	88,154,830		88,345,312		90,218,386
Net loss per share attributable to stockholders, basic	$	(0.53)	$	(0.59)	$	(0.21)
Net loss per share attributable to stockholders, diluted	$	(0.53)	$	(0.59)	$	(0.21)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following potentially dilutive outstanding securities were excluded from the computation of diluted net income (loss) per share because their effect would have been anti-dilutive for the years ended December 31, 2019, 2020 and 2021, or issuance of such shares is contingent upon the satisfaction of certain conditions which were not satisfied by the end of the period:

	2019	2020	2021
Stock options	8,411,158	9,410,290	13,466,262
Common stock issued in exchange for promissory notes	—	370,812	—
Restricted Stock Awards	—	—	1,779,716
Restricted Stock Units	—	—	41,933