NATURE OF OPERATIONS (Details Textual) - USD ($)		1 Months Ended	12 Months Ended
	Oct. 03, 2018	Jan. 20, 2017	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Entity Incorporation, Date of Incorporation			May 16, 2003
Working Capital			$ 4,000,000
Cash and Cash Equivalents, at Carrying Value			6,926,523	$ 12,575,973	$ 7,142,571	$ 10,092,408
Long-term Debt, Current Maturities			$ 10,000,000	0
Stock Issued During Period, Value, New Issues				$ 19,421,351	$ 8,365,037
Equity Financing [Member]
Stock Issued During Period, Shares, New Issues		17,330,836
Shares Issued, Price Per Share		$ 1.50
Stock Issued During Period, Value, New Issues		$ 25,996,254
Subsequent Event [Member] | Equity Financing [Member]
Stock Issued During Period, Shares, New Issues	12,613,049
Shares Issued, Price Per Share	$ 1.60
Stock Issued During Period, Value, New Issues	$ 20,200,000
Proceeds from Stock Options and Warrants Exercised	$ 2,600,000