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INCOME TAXES (Narrative) (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Dec. 31, 2017
Apr. 30, 2019
Apr. 30, 2018
Apr. 30, 2019
Apr. 30, 2018
Oct. 31, 2018
Income Tax Contingency [Line Items]            
Unrecognized tax benefits, interest accrued   $ 30,000   $ 30,000    
Effective Income Tax Rate Reconciliation, Percent       29.00% 48.00%  
Income Tax Expense (Benefit)   2,481,000 $ 1,656,000 $ 4,934,000 $ 6,156,000  
Unrecognized Tax Benefits   $ 234,000   $ 234,000   $ 205,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00%     21.00%    
Unrecognized Tax Benefits Expiration Term       expire between July 2019 and July 2022