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SHARE-BASED PAYMENT (Details 2) (USD $)
6 Months Ended 12 Months Ended
Aug. 31, 2013
Feb. 28, 2013
Feb. 28, 2012
Feb. 29, 2012
Feb. 28, 2011
Feb. 28, 2010
Notes to Financial Statements            
Options outstanding beginning 17,373,932 20,153,219 13,947,533 13,947,533 5,258,415  
Granted 2,600,635 3,326,668   9,816,775 11,445,683  
Exercised    (602,092) (1,203,065)   (1,991,153)  
Cancelled (5,710,424)      (110,000) (266,155)  
Forfeited (2,567,830) (5,503,863)   (2,298,024) (499,257)  
Options outstanding ending   17,373,932   20,153,219 13,947,533 5,258,415
Options exercisable   12,329,755        
Weighted Average Exercise Price Beginning $ 2.00 $ 2.09 $ 1.68 $ 1.68 $ 1.51  
Granted $ 0.41 $ 1.35   $ 2.79 $ 1.85  
Exercised    $ 0.51   $ 1.03 $ 0.68  
Cancelled $ 2.46      $ 0.62 $ 0.51  
Forfeited $ 2.19 $ 2.31   $ 3.07 $ 1.63  
Weighted Average Exercise Price Ending $ 1.38 $ 2.00   $ 2.09 $ 1.68 $ 1.51
Weighted Average Exercise Price Exercisable $ 1.55 $ 1.97        
Average remaining contractual term 2 years 11 months 30 days 2 years 11 months 27 days   4 years 26 days 4 years 6 months 22 days 5 years 2 months 12 days
Average remaining contractual term exercisable 2 years 3 months 2 years 7 months 13 days