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

6 Months Ended

Jun. 30, 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 and six months ended June 30, 2015 and 2014, as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Costs of product sales	$	538	$	660	$	1,232	$	1,197
Research and development	408		637		923		1,144
Selling, general and administrative	2,278		1,830		5,132		3,931
Total share-based compensation expense	$	3,224	$	3,127	$	7,287	$	6,272