Note 1 - Business Activities and Summary of Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
Oct. 31, 2022	Oct. 31, 2021
Amortization of Intangible Assets, Total	$ 1,282,000	$ 442,000
Advertising Expense	333,000	314,000
Research and Development Expense, Total	2,913,000	1,479,000
Stock-based compensation expense	$ 689,000	$ 769,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	508,889	386,364
Trademarks [Member]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 0	$ 0
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Weighted Average [Member]
Finite-Lived Intangible Asset, Useful Life	9 years 5 months 23 days

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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