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INCOME TAXES (Narrative) (Details) - USD ($)
 1 Months Ended 12 Months Ended
Dec. 31, 2017
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
Income Tax Contingency [Line Items]        
Operating Loss Carryforwards, Valuation Allowance   $ 2,227,000 $ 2,106,000  
Deferred Tax Assets, Operating Loss Carryforwards   1,380,000 $ 1,316,000  
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration   $ 5,900,000    
Unrecognized Tax Benefits Expiration Term   expire between July 2020 and August 2023    
Unrecognized tax benefits, interest accrued   $ 32,000    
Deferred Tax Assets for Research and Development Tax Credits   $ 800,000    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00% 21.00% 23.00% 34.00%
Effective Income Tax Rate Reconciliation, Percent   25.00% 34.00% 27.00%
Expirations Within Five Years [Member]        
Income Tax Contingency [Line Items]        
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration   $ 5,200,000    
Expiration maximum term   5 years    
Expirations After Six Years [Member]        
Income Tax Contingency [Line Items]        
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration   $ 700,000    
Expiration minimum term   5 years    
Expiration maximum term   20 years    
Tax Credits [Member]        
Income Tax Contingency [Line Items]        
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration   $ 765,000    
Tax Credits Expiration Term   expire between years 2023 and 2030