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Note 5 - Intangible Assets	12 Months Ended
	Oct. 31, 2023
Notes to Financial Statements
Intangible Assets Disclosure [Text Block]	(5) Intangible Assets Aggregate amortization expense for amortizing intangible assets was $53,941, $51,507 and $45,511 for the years ended October 31, 2023, 2022 and 2021, respectively. Amortization of intangible assets is calculated using a straight-line method over the estimated useful lives of the intangible assets. Amortization expense is estimated to be approximately $54,000 for each of the next five years. The gross carrying amounts and accumulated amortization of intangible assets subject to amortization as of October 31, 2023 was $868,564 and $313,927, respectively. The gross carrying amounts and accumulated amortization of intangible assets subject to amortization as of October 31, 2022 was $856,167 and $274,417, respectively.

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- Definition

The entire disclosure for all or part of the information related to intangible assets.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//350-30/tableOfContent

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