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STOCKHOLDERS' EQUITY (Details) - shares
Jan. 31, 2016
Apr. 30, 2015
Jan. 31, 2015
Increase (Decrease) in Stockholders' Equity      
Balance at the beginning of period 5,615,750 5,615,750 5,615,750
Balance at the end of period 5,615,750 5,615,750 5,615,750