Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2018

Net Loss per Share

Schedule of anti-dilutive securities

	Three Months Ended
	March 31,
(In thousands)	2018	2017
Share issuances under equity incentive plans and ESPP	3,916	3,386
Restricted shares	5	26
Share issuances upon the conversion of convertible senior notes	6,676	6,676
Total	10,597	10,088