CAPITAL STOCK (Details 5) - USD ($)	3 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
Share Based Compensation [Line Items]
Settlement of share issuance obligation	$ (127,615)	$ 0
Share-based Compensation, Total	640,679	985,261
Stock-Based Compensation for Management [Member]
Share Based Compensation [Line Items]
Common stock issued	35,014	88,200
Stock options issued	94,331	245,019
Share-based Compensation, Total	129,345	333,219
Stock-Based Compensation for Consultants [Member]
Share Based Compensation [Line Items]
Common stock issued	281,179	269,132
Stock options issued	(169)	78,272
Share-based Compensation, Total	281,010	347,404
Stock-Based Compensation for Employees [Member]
Share Based Compensation [Line Items]
Common stock issued	175,322	110,346
Stock options issued	182,617	194,292
Share-based Compensation, Total	$ 357,939	$ 304,638