INCOME TAXES (Reconciliation of Income Tax Benefit (Provision)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2012
INCOME TAXES [Abstract]
Income tax provision at U.S. statutory federal rate of 35%	$ (6,269)	$ (5,407)	$ (1,848)
U.S. statutory federal rate	35.00%	35.00%	35.00%
State income tax provision, net of federal income tax effect	(770)	(570)	(245)
Foreign taxes	209	178	(268)
Valuation allowance reductions (increases)	(865)	35,148	1,816
Research and development tax credits	1,126	721	590
Other, net	461	(892)	(106)
Total income tax benefit (provision)	$ (6,108)	$ 29,178	$ (61)