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Note 1 - Business Activities and Summary of Significant Accounting Policies - Intangible Assets (Details) - USD ($) $ in Thousands	Oct. 31, 2022	Oct. 31, 2021
Amortizable intangible assets, net	$ 15,296	$ 2,739
Non-amortizable intangible assets	1,174	1,174
Trademarks [Member]
Non-amortizable intangible assets	1,174	1,174
Noncompete Agreements [Member]
Amortizable intangible assets, gross	423	423
Accumulated amortization	(334)	(289)
Amortizable intangible assets, net	89	134
Customer Relationships [Member]
Amortizable intangible assets, gross	6,058	5,058
Accumulated amortization	(3,074)	(2,711)
Amortizable intangible assets, net	2,984	2,347
Order or Production Backlog [Member]
Amortizable intangible assets, gross	327	287
Accumulated amortization	(313)	(287)
Amortizable intangible assets, net	14	0
Patents [Member]
Amortizable intangible assets, gross	368	368
Accumulated amortization	(143)	(110)
Amortizable intangible assets, net	225	258
Trade Names [Member]
Amortizable intangible assets, gross	1,700	0
Accumulated amortization	(76)	0
Amortizable intangible assets, net	1,624	0
Technology-Based Intangible Assets [Member]
Amortizable intangible assets, gross	11,100	0
Accumulated amortization	(740)	0
Amortizable intangible assets, net	$ 10,360	$ 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
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-Publisher FASB
-Name Accounting Standards Codification
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