STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2015

STOCK-BASED COMPENSATION

Schedule of stock-based compensation expense recognized for stock options, stock awards, restricted stock units and the Company's condensed consolidated employee stock purchase program (ESPP)

The following table presents stock-based compensation expense recognized for stock options, stock awards, restricted stock units  and the Company’s employee stock purchase program (ESPP) in the Company’s Condensed Consolidated Statements of Operations (in thousands):

	Three Months Ended March 31,
	2015		2014
Cost of sales	$	1	$	12
Research and development expense	137		53
Selling, general and administrative expense	2,675		1,806
Total	$	2,813	$	1,871