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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Intangible Assets) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 4,562 $ 4,564
Accumulated Amortization (3,412) (3,275)
Net Intangible Assets 1,150 1,289
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets 254 254
Accumulated Amortization (114) (97)
Net Intangible Assets $ 140 $ 157
Weighted Average Amortization Period 15 years 15 years
Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 672 $ 674
Accumulated Amortization (172) (121)
Net Intangible Assets $ 500 $ 553
Weighted Average Amortization Period 13 years 13 years
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 2,972 $ 2,972
Accumulated Amortization (2,741) (2,717)
Net Intangible Assets $ 231 $ 255
Weighted Average Amortization Period 6 years 6 years
Other [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 373 $ 373
Accumulated Amortization (326) (299)
Net Intangible Assets $ 47 $ 74
Weighted Average Amortization Period 8 years 8 years
Tradenames and trademarks [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 231 $ 231
Accumulated Amortization (59) (41)
Net Intangible Assets 172 190
Indefinite tradenames and trademarks $ 60 $ 60
Weighted Average Amortization Period 13 years 13 years