Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Stock-Based Compensation

Schedule of allocated non-cash, stock-based compensation expense for all employees

	For the Three Months
	Ended March 31,
	2015		2014
	(In thousands)
Research and development expenses	$	762	$	592
Selling, general and administrative expenses	3,413		2,965
Total stock-based compensation	$	4,175	$	3,557