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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands | Oct. 31, 2023 | Oct. 31, 2022
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 5,880 | $ 5,816
Accumulated Amortization | (4,886) | (4,570)
Net Intangible Assets | 994 | 1,246
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | 369 | 367
Accumulated Amortization | (270) | (243)
Net Intangible Assets | $ 99 | $ 124
Weighted Average Amortization Period | 15 years | 15 years
Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 647 | $ 605
Accumulated Amortization | (514) | (434)
Net Intangible Assets | $ 133 | $ 171
Weighted Average Amortization Period | 13 years | 13 years
Noncompete |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 580 | $ 580
Accumulated Amortization | (493) | (377)
Net Intangible Assets | $ 87 | $ 203
Weighted Average Amortization Period | 5 years | 5 years
Patents [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 2,973 | $ 2,972
Accumulated Amortization | (2,909) | (2,884)
Net Intangible Assets | $ 64 | $ 88
Weighted Average Amortization Period | 6 years | 6 years
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 392 | $ 387
Accumulated Amortization | (376) | (371)
Net Intangible Assets | $ 16 | $ 16
Weighted Average Amortization Period | 8 years | 8 years
Trademark/name |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Intangible Assets | $ 742 | $ 728
Accumulated Amortization | (324) | (261)
Net Intangible Assets | 418 | 467
Indefinite tradenames and trademarks | $ 177 | $ 177
Weighted Average Amortization Period | 14 years | 14 years

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