Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2014

Stock-Based Compensation

Schedule of stock-based compensation expense

	For the Three Months
	Ended March 31,
	2014		2013
	(In thousands)
Research and development expenses	$	592	$	928
Selling, general and administrative expenses	2,965		4,056
Total stock-based compensation	$	3,557	$	4,984