GOODWILL AND OTHER INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Aug. 31, 2012	Feb. 28, 2012
Goodwill, Gross Carrying Amount	$ 1,112	$ 0
Goodwill, Accumulated Amortization	0	0
Goodwill, Net	1,112	0
Goodwill and Intangible Assets Gross	10,614	6,407
Intangible assets, Accumulated Amortization	3,957	3,669
Intangible assets, Net	5,545
Goodwill and Intangible Assets Net	6,657	2,738
Supply Contract [Member]
Intangible assets, Amortization Period	5 years
Intangible assets, Gross Carrying Amount	2,220	0
Intangible assets, Accumulated Amortization	137	0
Intangible assets, Net	2,083	0
Developed Technology Rights [Member]
Intangible assets, Amortization Period	2-7 years
Intangible assets, Gross Carrying Amount	3,001	2,853
Intangible assets, Accumulated Amortization	2,163	2,154
Intangible assets, Net	838	699
Trade Names [Member]
Intangible assets, Amortization Period	7 years
Intangible assets, Gross Carrying Amount	2,130	2,130
Intangible assets, Accumulated Amortization	456	304
Intangible assets, Net	1,674	1,826
Customer Lists [Member]
Intangible assets, Amortization Period	5-7 years
Intangible assets, Gross Carrying Amount	1,848	1,268
Intangible assets, Accumulated Amortization	1,072	1,075
Intangible assets, Net	776	193
Covenants Not To Compete [Member]
Intangible assets, Amortization Period	5 years
Intangible assets, Gross Carrying Amount	262	115
Intangible assets, Accumulated Amortization	103	114
Intangible assets, Net	159	1
Patents [Member]
Intangible assets, Amortization Period	5 years
Intangible assets, Gross Carrying Amount	41	41
Intangible assets, Accumulated Amortization	26	22
Intangible assets, Net	$ 15	$ 19