NATURE OF OPERATIONS (Details Textual) - USD ($)		1 Months Ended	3 Months Ended
	Oct. 03, 2018	Dec. 05, 2018	Oct. 31, 2018	Jul. 31, 2018	Oct. 31, 2017
Entity Incorporation, Date of Incorporation			May 16, 2003
Working Capital			$ 10,000,000
Cash and Cash Equivalents, at Carrying Value			9,545,339	$ 6,926,523	$ 9,952,105
Current portion of long-term debt			15,000,000	10,000,000
Stock Issued During Period, Value, New Issues			15,990,962
Short-term Investments			15,000,000	0
Principal amount			20,000,000	$ 20,000,000
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
Subsequent Event [Member]
Reduction Of Principal Amount From Capital Resource Requirement		$ 15,000,000
Principal amount		$ 20,000,000