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INTANGIBLE ASSETS, net (Details) - Amortization of Intangible Assets
May. 31, 2015
USD ($)
Amortization of Intangible Assets [Abstract]  
2016 $ 74,892
2017 74,892
2018 69,045
2019 62,861
2020 19,624
Thereafter 19,990
Total $ 321,304