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LONG-TERM DEBT (Details) - USD ($)
Apr. 30, 2017
Jul. 31, 2016
Long-term Debt, by Current and Noncurrent [Abstract]    
Principal amount $ 20,000,000 $ 20,000,000
Unamortized discount (1,031,992) (801,822)
Long-term debt, net of unamortized discount $ 18,968,008 $ 19,198,178