Net Loss per Share (Tables)

6 Months Ended

Jun. 30, 2019

Net Loss per Share

Basic and diluted net loss per common share

	Three months ended				Six months ended
	June 30,				June 30,
(in thousands, except per share data)	2019		2018		2019		2018
Numerator:
Net loss, basic and diluted	$	(32,416)	$	(33,824)	$	(66,507)	$	(66,697)
Denominator:
Weighted-average number of shares used in computing net loss per share, basic and diluted		68,224		54,551		65,542		54,342
Net loss per share, basic	$	(0.48)	$	(0.62)	$	(1.01)	$	(1.23)
Net loss per share, diluted	$	(0.48)	$	(0.62)	$	(1.01)	$	(1.23)

Total outstanding potentially dilutive shares not included in the calculation of dilutive EPS

	June 30,
	2019	2018
	(in thousands)
Options to purchase common stock	9,406	10,255
Restricted stock units	2,331	1,025
Employee stock purchase plan	54	70
	11,791	11,350