OTHER FINANCIAL INFORMATION (Schedule of Valuation and Qualifying Accounts) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 761	$ 461	$ 254
Charged (credited) to costs and expenses	188	353	241
Deductions	(276)	(53)	(34)
Balance at end of period year	673	761	461
Warranty Reserve [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	1,516	1,328	994
Charged (credited) to costs and expenses	1,333	881	910
Deductions	(1,030)	(693)	(576)
Balance at end of period year	1,819	1,516	1,328
Deferred Tax Assets Valuation Allowance [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	4,849	3,959	39,054
Charged (credited) to costs and expenses	150	890	(35,095)
Deductions	(840)
Balance at end of period year	$ 4,159	$ 4,849	$ 3,959

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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