Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2019

Net Loss per Share

Schedule of basic and diluted net loss per share

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In thousands)	2019		2018		2019		2018
Numerator:
Net loss	$	(58,431)	$	(59,433)	$	(170,849)	$	(165,338)
Denominator:
Weighted-average common shares outstanding		56,690		55,230		56,308		54,920
Less: weighted-average common shares subject to forfeiture		(832)		(982)		(863)		(1,149)
Weighted-average common shares used to compute basic and diluted net loss per share		55,858		54,248		55,445		53,771
Basic and diluted net loss per share	$	(1.05)	$	(1.10)	$	(3.08)	$	(3.07)

Schedule of anti-dilutive securities

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
(In thousands)	2019	2018	2019	2018
Share issuances under equity incentive plans and ESPP	7,340	3,783	6,491	4,741
Restricted shares	—	4	—	4
Share issuances upon the conversion of convertible senior notes	6,676	6,676	6,676	6,676
Total	14,016	10,463	13,167	11,421