Annual report pursuant to Section 13 and 15(d)

INCOME TAXES (Details 4)

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INCOME TAXES (Details 4) - USD ($)
12 Months Ended
Apr. 30, 2015
Apr. 30, 2014
Valuation and Qualifying Accounts Disclosure [Line Items]    
Balance at beginning of the year $ 13,438,654 $ 12,024,836
Charged (reversed) to costs and expenses (208,988) 1,413,818
Capital loss from sale of Pride 3,467,729 0
Balance at end of the year $ 16,697,395 $ 13,438,654