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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2017

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

Total non-cash, stock-based compensation expense is shown in the following table for the three months ended March 31, 2017 and 2016 and was assigned to the same expense categories as the base compensation for such employees:



	For the Three Months Ended March 31,
	2017		2016
	(In thousands)
Research and development expenses	$	231	$	272
Selling, general and administrative expenses	2,262		2,884
Total stock-based compensation	$	2,493	$	3,156