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PROPERTY AND EQUIPMENT, NET (Details) (USD $)
12 Months Ended
Feb. 28, 2013
Feb. 29, 2012
Feb. 28, 2011
Property and equipment, net      
Total cost of property and equipment $ 90,859,597 $ 86,145,625  
Less: accumulated depreciation and amortization (14,744,509) (9,419,406)  
Property and equipment, net 76,115,088 76,726,219  
Depreciation expenses 7,023,754 5,203,847 2,790,061
Building
     
Property and equipment, net      
Total cost of property and equipment 64,073,055 63,416,230  
Leasehold improvement
     
Property and equipment, net      
Total cost of property and equipment 10,796,498 10,196,222  
Computer, network equipment and software
     
Property and equipment, net      
Total cost of property and equipment 13,141,255 10,039,490  
Vehicles
     
Property and equipment, net      
Total cost of property and equipment 854,070 1,002,949  
Office equipment and furniture
     
Property and equipment, net      
Total cost of property and equipment $ 1,994,719 $ 1,490,734