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SEGMENT REPORTING (Details Textual) (USD $)
3 Months Ended
Jul. 31, 2014
Jul. 31, 2013
Apr. 30, 2014
Segment Reporting Information [Line Items]      
Revenues $ 6,770,884 $ 4,255,743  
Assets 20,823,903   22,021,726
China Operations [Member]
     
Segment Reporting Information [Line Items]      
Revenues 706,000 873,000  
Assets $ 6,125,195    
Equity Method Investment, Ownership Percentage 10.40% 20.50%  
Concentration Risk, Percentage 60.00%