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STOCK BASED COMPENSATION (Details) - Warrants - Common Stock [Member] - Warrant [Member] - USD ($)
3 Months Ended
Jan. 31, 2020
Jan. 31, 2019
STOCK BASED COMPENSATION (Details) - Warrants [Line Items]    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) 500,000  
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share) $ 5.03  
Consultant [Member]    
STOCK BASED COMPENSATION (Details) - Warrants [Line Items]    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)   25,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share)   $ 4.04
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   12 months
Consultation Expense $ 0 $ 21,000