Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Loss per Share

The following table sets forth the computation of basic and diluted net loss per share:

	Year Ended December 31,
(in thousands, except per share data)	2021		2020		2019
Net loss	$	(46,677)	$	(42,731)	$	(99,013)
Weighted-average shares used to compute net loss per share, basic and diluted	106,387		101,009		96,014
Net loss per share, basic and diluted	$	(0.44)	$	(0.42)	$	(1.03)

Potentially Dilutive Securities

The following potentially dilutive securities have been excluded from the diluted per share calculations because they would have been antidilutive:

	Year Ended December 31,
(in thousands)	2021	2020	2019
Stock options	6,731	9,441	12,939
RSUs	5,781	4,490	2,894
Shares to be issued under the 2018 ESPP	181	321	278
Restricted stock	—	99	495
Total	12,693	14,351	16,606