STOCK-BASED COMPENSATION (Schedule of Stock-based Compensation Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013	Aug. 31, 2012
Allocated Share-based Compensation Expense	$ 690	$ 814	$ 1,321	$ 1,672
Cost of revenues [Member]
Allocated Share-based Compensation Expense	42	32	81	59
Research and development [Member]
Allocated Share-based Compensation Expense	122	111	232	209
Selling [Member]
Allocated Share-based Compensation Expense	87	84	158	147
General and administration [Member]
Allocated Share-based Compensation Expense	$ 439	$ 587	$ 850	$ 1,257