ACCRUED EXPENSES (Details) - Accrued liabilities - USD ($)	Jul. 31, 2018	Oct. 31, 2017
Accrued liabilities [Abstract]
Accrued severance costs		$ 237,563
Payroll and related expenses	63,879	51,643
Accrued royalty	366,670
Accrued collaborative research and license expenses	187,500
Accrued other	92,008	119,963
Total	$ 710,057	$ 409,169