NATURE OF OPERATIONS (Details Textual) - USD ($)	Oct. 31, 2017	Jul. 31, 2017	Oct. 31, 2016	Jul. 31, 2016
Working Capital	$ 18,600,000
Cash and Cash Equivalents, at Carrying Value	9,952,105	$ 12,575,973	$ 4,327,801	$ 7,142,571
Short-term Investments	$ 8,603,700	$ 10,000,000