CAPITAL STOCK (Details 3) - $ / shares	3 Months Ended		6 Months Ended
	Jan. 31, 2018	Oct. 31, 2017	Jan. 31, 2018
Share Based Compensation Stock Options Activity [Line Items]
Number of Stock Options, Granted			2,004,000
Employee Stock Option [Member]
Share Based Compensation Stock Options Activity [Line Items]
Number of Stock Options, Begining Balance	14,003,250	12,260,500	12,260,500
Number of Stock Options, Granted	150,000	1,854,000
Number of Stock Options, Exercised	(281,250)	(111,250)
Number of Stock Options, Forfeited	(51,250)
Number of Stock Options, Ending Balance	13,820,750	14,003,250	13,820,750
Weighted Average Exercise Price, Begining Balance	$ 1.33	$ 1.33	$ 1.33
Weighted Average Exercise Price, Granted	1.09	1.28
Weighted Average Exercise Price, Exercised	0.97	0.50
Weighted Average Exercise Price, Forfeited	1.23
Weighted Average Exercise Price, Ending Balance	$ 1.34	$ 1.33	$ 1.34