Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2019

Net Loss per Share

Basic and diluted net loss per common share

	Three months ended				Nine months ended
	September 30,				September 30,
(in thousands, except per share data)	2019		2018		2019		2018
Numerator:
Net loss, basic and diluted	$	(23,137)	$	(29,616)	$	(89,644)	$	(96,313)
Denominator:
Weighted-average number of shares used in computing net loss per share, basic and diluted		70,456		60,570		67,198		56,462
Net loss per share, basic	$	(0.33)	$	(0.49)	$	(1.33)	$	(1.71)
Net loss per share, diluted	$	(0.33)	$	(0.49)	$	(1.33)	$	(1.71)

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

	September 30,
	2019	2018
	(in thousands)
Options to purchase common stock	8,798	9,127
Restricted stock units	2,269	1,089
Employee stock purchase plan	124	164
	11,191	10,380