LONG-TERM DEBT (Details 1) - USD ($)	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Debt Instrument [Line Items]
Principal amount	$ 20,000,000	$ 20,000,000	$ 20,000,000
Unamortized discount	(745,165)	(801,822)
Long-term debt, net of unamortized discount	$ 19,254,835	$ 19,198,178