STOCK-BASED COMPENSATION (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Cost of revenue
Share-based Compensation, allocation and classification in income statements [Abstract]
Stock-based compensation costs	$ 199	$ 246	$ 402	$ 475
Research and development
Share-based Compensation, allocation and classification in income statements [Abstract]
Stock-based compensation costs	570	472	1,217	988
Selling, general and administrative
Share-based Compensation, allocation and classification in income statements [Abstract]
Stock-based compensation costs	1,643	1,853	3,225	3,751
Selling, general and administrative
Share-based Compensation, allocation and classification in income statements [Abstract]
Stock-based compensation costs	$ 2,412	$ 2,571	$ 4,844	$ 5,214