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Note 11 - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Oct. 31, 2021
Amortizable intangible assets, net	$ 15,728	$ 2,739
Non-amortizable intangible assets, trademarks	1,174	1,174
Trademarks [Member]
Non-amortizable intangible assets, trademarks	1,174	1,174
Noncompete Agreements [Member]
Amortizable intangible assets, gross	423	423
Accumulated amortization	(322)	(289)
Amortizable intangible assets, net	101	134
Customer Relationships [Member]
Amortizable intangible assets, gross	6,058	5,058
Accumulated amortization	(2,978)	(2,711)
Amortizable intangible assets, net	3,080	2,347
Order or Production Backlog [Member]
Amortizable intangible assets, gross	327	287
Accumulated amortization	(303)	(287)
Amortizable intangible assets, net	24	0
Patents [Member]
Amortizable intangible assets, gross	368	368
Accumulated amortization	(135)	(110)
Amortizable intangible assets, net	233	258
Trade Names [Member]
Amortizable intangible assets, gross	1,700	0
Accumulated amortization	(47)	0
Amortizable intangible assets, net	1,653	0
Technology-Based Intangible Assets [Member]
Amortizable intangible assets, gross	11,100	0
Accumulated amortization	(463)	0
Amortizable intangible assets, net	$ 10,637	$ 0

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(16))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
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