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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 5,816 $ 5,970
Accumulated Amortization (4,570) (4,405)
Net Intangible Assets 1,246 1,565
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets 367 373
Accumulated Amortization (243) (223)
Net Intangible Assets $ 124 $ 150
Weighted Average Amortization Period 15 years 15 years
Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 605 $ 708
Accumulated Amortization (434) (454)
Net Intangible Assets $ 171 $ 254
Weighted Average Amortization Period 13 years 13 years
Noncompete    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 580 $ 580
Accumulated Amortization (377) (261)
Net Intangible Assets $ 203 $ 319
Weighted Average Amortization Period 5 years 5 years
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 2,972 $ 2,972
Accumulated Amortization (2,884) (2,860)
Net Intangible Assets $ 88 $ 112
Weighted Average Amortization Period 6 years 6 years
Other    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 387 $ 397
Accumulated Amortization (371) (373)
Net Intangible Assets $ 16 $ 24
Weighted Average Amortization Period 8 years 8 years
Trademark/name    
Finite-Lived Intangible Assets [Line Items]    
Gross Intangible Assets $ 728 $ 763
Accumulated Amortization (261) (234)
Net Intangible Assets 467 529
Indefinite tradenames and trademarks $ 177 $ 177
Weighted Average Amortization Period 14 years 14 years