CAPITAL STOCK (Details 8) - USD ($)	12 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Share Based Compensation [Line Items]
Share-based Compensation, Total	$ 3,769,370	$ 3,084,163	$ 5,617,748
Stock-Based Compensation for Management [Member]
Share Based Compensation [Line Items]
Common stock issued	686,584	262,130	105,998
Stock options issued	473,811	735,991	1,617,937
Share-based Compensation, Total	1,160,395	998,121	1,723,935
Stock-Based Compensation for Consultants [Member]
Share Based Compensation [Line Items]
Common stock issued	1,184,660	1,630,635	1,869,074
Stock options issued	469,815	78,014	588,207
Share-based Compensation, Total	1,654,475	1,708,649	2,457,281
Stock-Based Compensation for Employees [Member]
Share Based Compensation [Line Items]
Common stock issued	584,837	205,860	111,492
Stock options issued	369,663	171,533	1,325,040
Share-based Compensation, Total	$ 954,500	$ 377,393	$ 1,436,532