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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 4,870 $ 4,595
Accumulated Amortization (3,774) (3,657)
Net Intangible Assets 1,096 938
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets 372 255
Accumulated Amortization (173) (148)
Net Intangible Assets $ 199 $ 107
Weighted Average Amortization Period 15 years 15 years
Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 683 $ 692
Accumulated Amortization (333) (284)
Net Intangible Assets $ 350 $ 408
Weighted Average Amortization Period 13 years 13 years
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 2,972 $ 2,973
Accumulated Amortization (2,813) (2,790)
Net Intangible Assets $ 159 $ 183
Weighted Average Amortization Period 6 years 6 years
Other [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 375 $ 377
Accumulated Amortization (341) (337)
Net Intangible Assets $ 34 $ 40
Weighted Average Amortization Period 8 years 8 years
Tradenames and trademarks [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 408 $ 238
Accumulated Amortization (114) (98)
Net Intangible Assets 294 140
Indefinite tradenames and trademarks $ 60 $ 60
Weighted Average Amortization Period 13 years 13 years