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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2018 | Oct. 31, 2017
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 4,595 | $ 4,626
Accumulated Amortization | (3,657) | (3,550)
Net Intangible Assets | 938 | 1,076
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 255 | 257
Accumulated Amortization | (148) | (132)
Net Intangible Assets | $ 107 | $ 125
Weighted Average Amortization Period | 15 years | 15 years
Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 692 | $ 713
Accumulated Amortization | (284) | (239)
Net Intangible Assets | $ 408 | $ 474
Weighted Average Amortization Period | 13 years | 13 years
Patents [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 2,973 | $ 2,973
Accumulated Amortization | (2,790) | (2,765)
Net Intangible Assets | $ 183 | $ 208
Weighted Average Amortization Period | 6 years | 6 years
Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 377 | $ 378
Accumulated Amortization | (337) | (333)
Net Intangible Assets | $ 40 | $ 45
Weighted Average Amortization Period | 8 years | 8 years
Tradenames and trademarks [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 238 | $ 245
Accumulated Amortization | (98) | (81)
Net Intangible Assets | 140 | 164
Indefinite tradenames and trademarks | $ 60 | $ 60
Weighted Average Amortization Period | 13 years | 13 years

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