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DISCONTINUED OPERATIONS (Details 2) - USD ($)
3 Months Ended
Jul. 31, 2015
Jul. 31, 2014
Balance, beginning of period $ 560,915  
Net income attributable to noncontrolling interest 16,505 $ (49,020)
Other comprehensive loss attributable to noncontrolling interest (431)  
Balance, end of period $ 576,989