SHARE-BASED PAYMENT (Details 5) (USD $)	3 Months Ended		3 Months Ended
	May 31, 2013	Feb. 28, 2013	May 31, 2013 Warrant [Member]	May 31, 2012 Warrant [Member]
Warrants outstanding beginning	19,171,104
Granted	637,600
Exercised
Forfeited and expired	(1,364,237)
Outstanding ending	16,647,295	17,373,932	19,171,104
Warrants vested and expected to vest Ending			18,937,771
Exercisable	12,913,042		18,433,603
Weighted Average Exercise Price Beginning		$ 1.32
Granted	$ 0.43
Exercised
Forfeited and expired	$ 2.24
Weighted Average Exercise Price Ending	$ 1.92	$ 2	$ 1.32
Weighted Average Exercise Price Exercisable	$ 1.91		$ 1.32
Average remaining contractual term	2 years 11 months 30 days		3 years 6 months 10 days	3 years
Average remaining contractual term exercisable	2 years 3 months		3 years 2 months 28 days