Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Schedule of Anti-Dilutive Potential Common Equivalent Shares Excluded from Calculation of Net (Loss) Income Per Share

The following potential ordinary equivalent shares have not been included in the net loss per ordinary share calculation because the effect would have been anti-dilutive:

	Three Months Ended
	March 31,
(In thousands)	2019		2018
Stock options		12,522		10,217
Restricted stock units		2,232		2,808
Total		14,754		13,025