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Note 10 - Business and Credit Concentrations, Major Customers and Geographic Information | 12 Months Ended
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Oct. 31, 2025
Notes to Financial Statements |
Concentration Risk Disclosure [Text Block] |
(10) | Business and Credit Concentrations, Major Customers and Geographic Information
The Company provides credit, in the normal course of business, to various commercial enterprises, governmental entities and not‑for‑profit organizations. Concentration of credit risk with respect to trade receivables is limited due to the Company’s large number of customers. The Company also manages exposure to credit risk through credit approvals, credit limits and monitoring procedures. Management believes that credit risks as of October 31, 2025 and 2024 have been adequately provided for in the consolidated financial statements. The Company includes all entities under common ownership for the purpose of calculating business concentrations. For the year ended October 31, 2025, 18.3%, or approximately $13.4 million of consolidated net sales were attributable to one distributor customer. No other customer accounted for more than 10% of consolidated net sales for the year ended October 31, 2025. As of October 31, 2025, the same customer had an outstanding balance payable to the Company totaling 10.5% of total consolidated shareholders’ equity. One other customer had an outstanding balance payable to the Company totaling 8.2% of total consolidated shareholders’ equity. No other customer had an outstanding balance payable to the Company in excess of 5% of total consolidated shareholders’ equity. For the year ended October 31, 2024, 16.4%, or approximately $10.9 million of consolidated net sales were attributable to one distributor customer. No other customer accounted for more than 10% of consolidated net sales for the year ended October 31, 2024. As of October 31, 2024, the same customer had an outstanding balance payable to the Company totaling 9.8% of total consolidated shareholders’ equity. One other customer had an outstanding balance payable to the Company totaling 7.7% of total consolidated shareholders’ equity. No other customer had an outstanding balance payable to the Company in excess of 5% of total consolidated shareholders’ equity. Optical Cable Corporation (OCC) For the years ended October 31, 2025 and 2024, approximately 79% of net sales were from customers in the United States, while approximately 21% were from customers outside of the United States.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 3A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482836/275-10-55-3A Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-2A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/275/tableOfContent + Details
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