Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION (Details) - Stock Option Compensation Expense

v3.20.1
STOCK BASED COMPENSATION (Details) - Stock Option Compensation Expense - Share-based Payment Arrangement, Option [Member] - USD ($)
3 Months Ended 6 Months Ended
May 08, 2018
Apr. 30, 2020
Apr. 30, 2019
Apr. 30, 2020
Apr. 30, 2019
Oct. 31, 2018
STOCK BASED COMPENSATION (Details) - Stock Option Compensation Expense [Line Items]            
Share-based Payment Arrangement, Noncash Expense   $ 1,055,000 $ 805,000 $ 2,019,000 $ 1,649,000  
Minimum [Member]            
STOCK BASED COMPENSATION (Details) - Stock Option Compensation Expense [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       1 year    
Maximum [Member]            
STOCK BASED COMPENSATION (Details) - Stock Option Compensation Expense [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       4 years    
Chairman President And Chief Executive Officer [Member]            
STOCK BASED COMPENSATION (Details) - Stock Option Compensation Expense [Line Items]            
Share-based Payment Arrangement, Noncash Expense       $ 0 376,000  
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in Shares) 1,500,000          
Chairman President And Chief Executive Officer [Member] | Share-based Payment Arrangement, Tranche One [Member]            
STOCK BASED COMPENSATION (Details) - Stock Option Compensation Expense [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in Shares)           500,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in Dollars per share)           $ 5.00
Chairman President And Chief Executive Officer [Member] | Minimum [Member]            
STOCK BASED COMPENSATION (Details) - Stock Option Compensation Expense [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 months          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (in Dollars per share) $ 5.00          
Chairman President And Chief Executive Officer [Member] | Maximum [Member]            
STOCK BASED COMPENSATION (Details) - Stock Option Compensation Expense [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 7 months          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (in Dollars per share) $ 8.00          
Consultant [Member]            
STOCK BASED COMPENSATION (Details) - Stock Option Compensation Expense [Line Items]            
Share-based Payment Arrangement, Noncash Expense   $ 55,000 $ 25,000 $ 112,000 $ 50,000