SHARE-BASED COMPENSATION (Schedule of Stock-Based Compensation by Income Statement Classification) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based issuances	$ 1,002	$ 1,283	$ 7,190	$ 2,806
Cost of revenues [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based issuances	6	31
Marketing [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based issuances	43	194
General and administrative [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based issuances	895	852
Research and development [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based issuances	$ 58	$ 206