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

3 Months Ended

Mar. 31, 2015

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

Share-based compensation expense

The Company recognized share-based compensation expense in the accompanying Condensed Consolidated Statements of Operations for the three months ended March 31, 2015 and 2014 as follows (in thousands):

	Three Months Ended March 31,
	2015		2014
Costs of product sales	$	695	$	537
Research and development	514		507
Selling, general and administrative	2,854		2,101
Total share-based compensation expense	$	4,063	$	3,145