OTHER FINANCIAL INFORMATION (Schedule of Valuation and Qualifying Accounts) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2012
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 461		$ 290
Charged (credited) to costs and expenses	353	241	114
Deductions	(53)	(34)	(150)
Balance at end of period year	761	461	254
Warranty Reserve [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	1,328		700
Charged (credited) to costs and expenses	881	910	635
Deductions	(693)	(576)	(341)
Balance at end of period year	1,516	1,328	994
Deferred Tax Assets Valuation Allowance [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	3,959		41,182
Charged (credited) to costs and expenses	890	(35,095)	1,816
Deductions			(3,944)
Balance at end of period year	$ 4,849	$ 3,959	$ 39,054