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Note 16 - Gain on Insurance Proceeds (Details Textual) - USD ($) | 12 Months Ended
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Oct. 31, 2023 | Oct. 31, 2022 | Oct. 31, 2021
Proceeds from Insurance Settlement, Investing Activities | $ 1,946,992 | $ 0 | $ 0
Other Nonoperating Income (Expense) [Member] |  |  |
Proceeds from Insurance Settlement, Investing Activities | 2,199,463 |  |
Water Damage from Pipe Burst [Member] |  |  |
Unusual or Infrequent Item, or Both, Net of Insurance Proceeds | 2,580,986 |  |
Unusual or Infrequent Item, or Both, Gain, Gross | 7,538 |  |
Unusual or Infrequent Item, or Both, Loss, Gross | $ 381,523 |  |

X
- Definition Amount of cash inflow for proceeds from settlement of insurance claim, classified as investing activities. Excludes insurance settlement classified as operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-12 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 21B -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-21B + Details
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- Definition Amount of gain recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483613/220-20-50-1 + Details
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- Definition Amount, before deduction of insurance proceeds, of loss recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483613/220-20-50-1 + Details
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- Definition Amount, after deduction of insurance proceeds, of loss recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 930 -SubTopic 715 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482028/930-715-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 20 -Topic 220 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483613/220-20-50-1 + Details
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