Net loss per share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted net loss per share

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

	Years Ended December 31,
	2021		2020		2019
	(in thousands, except share and per share amounts)
Numerator:
Net loss	$	(75,189)	$	(24,082)	$	(34,345)
Denominator:
Weighted‑average shares used to compute net loss per share, basic and diluted	118,276,462		108,908,597		102,752,092
Basic and diluted net loss per share	$	(0.64)	$	(0.22)	$	(0.33)

Schedule of potentially dilutive securities excluded from the computation of diluted weighted-average shares outstanding

The following potentially dilutive securities outstanding have been excluded from the computation of diluted weighted-average shares outstanding because such securities have an antidilutive impact due to losses reported:

	Years Ended December 31,
	2021	2020	2019
Stock options outstanding	5,330,930	7,234,490	7,760,950
Unvested restricted stock units	6,890,938	1,293,107	36,520
Shares related to the 2026 Notes	7,475,897	—	—
Shares committed under the 2021 ESPP	108,331	—	—
Total potentially dilutive securities	19,806,096	8,527,597	7,797,470