CAPITAL STOCK (Details 5) - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2018	Jan. 31, 2017
Share-Based Compensation [Line Items]
Settlement of share issuance obligation	$ 0	$ 0	$ (127,615)	$ 0
Share-based Compensation, Total	974,095	829,040	1,614,774	1,814,301
Stock-Based Compensation for Management [Member]
Share-Based Compensation [Line Items]
Common stock issued	34,230	54,693	69,244	142,893
Stock options issued	86,650	122,326	180,981	367,345
Share-based Compensation, Total	120,880	177,019	250,225	510,238
Stock-Based Compensation for Consultants [Member]
Share-Based Compensation [Line Items]
Common stock issued	157,599	252,895	438,778	522,027
Stock options issued	341,788	199,979	341,619	278,251
Share-based Compensation, Total	499,387	452,874	780,397	800,278
Stock-Based Compensation for Employees [Member]
Share-Based Compensation [Line Items]
Common stock issued	201,714	106,101	377,036	216,447
Stock options issued	152,114	93,046	334,731	287,338
Share-based Compensation, Total	$ 353,828	$ 199,147	$ 711,767	$ 503,785