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SHARE-BASED COMPENSATION (Details 2) (USD $)
12 Months Ended
Feb. 28, 2013
Feb. 29, 2012
Feb. 28, 2011
Share-based compensation      
Total share-based compensation $ 8,283,900 $ 7,901,243 $ 5,306,472
Cost of revenues
     
Share-based compensation      
Total share-based compensation 105,756 417,984 521,387
Selling and marketing
     
Share-based compensation      
Total share-based compensation 1,814,748 1,497,266 975,114
General and administrative
     
Share-based compensation      
Total share-based compensation $ 6,363,396 $ 5,985,993 $ 3,809,971