NATURE OF OPERATIONS AND GOING CONCERN (Details Textual) - USD ($)	6 Months Ended
	Jan. 31, 2018	Jul. 31, 2017	Jan. 31, 2017	Jul. 31, 2016
Entity Incorporation, Date of Incorporation	May 16, 2003
Working Capital	$ 15,100,000
Cash and Cash Equivalents, at Carrying Value	3,639,646	$ 12,575,973	$ 27,735,411	$ 7,142,571
Short-term Investments	$ 12,183,915	$ 10,000,000