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ACCRUED EXPENSES (Tables)
6 Months Ended
Apr. 30, 2020
Payables and Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

April 30,

2020

October 31,

2019

Payroll and related expenses

$

232,456

 

$

72,850

Accrued royalty and contingent legal fees

449,691

449,691

Accrued collaborative research and license expenses

 

158,904

 

 

371,710

Accrued other

 

9,104

 

1,247

 

$

850,155

 

$

895,498