STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION EXPENSE (Tables)

3 Months Ended

Mar. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-based compensation expense

The Company recognized share-based compensation expense as follows (in thousands):

	Three Months Ended March 31,
	2014		2013
Costs of product sales	$	537	$	167
Research and development	507		329
Selling, general and administrative	2,101		1,339
Total share-based compensation expense	$	3,145	$	1,835