STOCK-BASED COMPENSATION (Schedule of Stock-based Compensation Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	May. 31, 2015	May. 31, 2014
Stock-based compensation expense	$ 1,220	$ 820
Cost of revenues [Member]
Stock-based compensation expense	165	52
Research and development [Member]
Stock-based compensation expense	164	135
Selling [Member]
Stock-based compensation expense	200	113
General and administrative [Member]
Stock-based compensation expense	$ 791	$ 520