Net Loss per Share (Tables)

6 Months Ended

Jun. 30, 2021

Net Loss per Share

Basic and diluted net loss per share

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In thousands, except for share and per share data)	2021		2020		2021		2020
Numerator:
Net loss	$	(18,161)	$	(11,597)	$	(46,915)	$	(27,183)
Denominator:
Weighted average shares of common stock outstanding, basic and diluted		53,968,405		42,133,646		52,163,136		41,876,037
Net loss per share, basic and diluted	$	(0.34)	$	(0.28)	$	(0.90)	$	(0.65)

Potential common shares excluded from the calculation of diluted net loss per share attributable to common stockholders

	June 30,
	2021	2020
Options to purchase common stock	3,738,625	3,279,799
Restricted stock unit awards	1,498,716	2,528,401
Warrants	—	460,251
Total potential shares of common stock	5,237,341	6,268,451