Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2019

Net Loss per Share

Basic and diluted net loss per common share

	Three months ended
	March 31,
(in thousands, except per share data)	2019		2018
Numerator:
Net loss, basic and diluted	$	(34,091)	$	(32,873)
Denominator:
Weighted-average number of shares used in computing net loss per share, basic and diluted		62,831		54,132
Net loss per share, basic	$	(0.54)	$	(0.61)
Net loss per share, diluted	$	(0.54)	$	(0.61)

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

	March 31,
	2019	2018
	(in thousands)
Options to purchase common stock	9,533	10,732
Warrants to purchase common stock	—	377
Restricted stock units	2,086	1,014
Employee stock purchase plan	99	181
	11,718	12,304