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Note 11 - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | Apr. 30, 2022 | Oct. 31, 2021
--- | --- | ---
Amortizable intangible assets, net | $ 14,456 | $ 2,739
Amortizable intangible assets, net | 14,456 | 2,739
Non-amortizable intangible assets, trademarks | 2,874 | 1,174
Noncompete Agreements [Member] |  |
Amortizable intangible assets, gross | 423 | 423
Accumulated amortization | (311) | (289)
Amortizable intangible assets, net | 112 | 134
Amortizable intangible assets, net | 112 | 134
Proprietary Techology (estimated life 10 years) | 423 | 423
Customer Relationships [Member] |  |
Amortizable intangible assets, gross | 6,058 | 5,058
Accumulated amortization | (2,877) | (2,711)
Amortizable intangible assets, net | 3,181 | 2,347
Amortizable intangible assets, net | 3,181 | 2,347
Proprietary Techology (estimated life 10 years) | 6,058 | 5,058
Order or Production Backlog [Member] |  |
Amortizable intangible assets, gross | 327 | 287
Accumulated amortization | (290) | (287)
Amortizable intangible assets, net | 37 | 0
Amortizable intangible assets, net | 37 | 0
Proprietary Techology (estimated life 10 years) | 327 | 287
Patents [Member] |  |
Amortizable intangible assets, gross | 368 | 368
Accumulated amortization | (127) | (110)
Amortizable intangible assets, net | 241 | 258
Amortizable intangible assets, net | 241 | 258
Proprietary Techology (estimated life 10 years) | 368 | 368
Technology-Based Intangible Assets [Member] |  |
Amortizable intangible assets, gross | 11,100 | 0
Accumulated amortization | (215) | 0
Amortizable intangible assets, net | 10,885 | 0
Amortizable intangible assets, net | 10,885 | 0
Proprietary Techology (estimated life 10 years) | $ 11,100 | $ 0

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