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Note 1 - Description of Business and Summary of Significant Accounting Policies (Details Textual) - USD ($) | 12 Months Ended
--- | ---
Oct. 31, 2024 | Oct. 31, 2023
Cash, Uninsured Amount | $ 0 | $ 1,200,000
Cash Equivalents, at Carrying Value, Total | 0 | 0
Selling, General and Administrative Expenses [Member] |  |
Shipping and Handling Costs | 1,900,000 | 2,100,000
Research and Development Expense | 999,000 | 983,000
Advertising Expense | $ 164,000 | $ 191,000
Building [Member] | Minimum [Member] |  |
Property, Plant and Equipment, Useful Life | 30 years |
Building [Member] | Maximum [Member] |  |
Property, Plant and Equipment, Useful Life | 39 years |
Building Improvements [Member] | Minimum [Member] |  |
Property, Plant and Equipment, Useful Life | 3 years |
Building Improvements [Member] | Maximum [Member] |  |
Property, Plant and Equipment, Useful Life | 15 years |
Machinery and Equipment [Member] | Minimum [Member] |  |
Property, Plant and Equipment, Useful Life | 3 years |
Machinery and Equipment [Member] | Maximum [Member] |  |
Property, Plant and Equipment, Useful Life | 15 years |
Furniture and Fixtures [Member] | Minimum [Member] |  |
Property, Plant and Equipment, Useful Life | 3 years |
Furniture and Fixtures [Member] | Maximum [Member] |  |
Property, Plant and Equipment, Useful Life | 15 years |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 720 -SubTopic 35 -Name Accounting Standards Codification -Section 55 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483385/720-35-55-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 720 -SubTopic 35 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483406/720-35-50-1 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 48 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-48 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 730 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482916/730-10-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 912 -SubTopic 730 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479532/912-730-25-1 + Details
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