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Note 4 - Leases (Details Textual) - USD ($) | 12 Months Ended |
--- | --- | ---
Oct. 31, 2024 | Oct. 31, 2023
Statement [Line Items] |  |
Increase (Decrease) in Operating Lease Liability | $ 13,900 |
Operating Lease, Liability, Statement of Financial Position | Accounts payable and other liabilities | Accounts payable and other liabilities
Operating Lease, Right-of-Use Asset, Statement of Financial Position | Prepaid expenses and other assets | Prepaid expenses and other assets
Minimum [Member] | Office Leases [Member] |  |
Statement [Line Items] |  |
Lessee, Operating Lease, Term of Contract (Year) | 3 years |
Maximum [Member] | Office Leases [Member] |  |
Statement [Line Items] |  |
Lessee, Operating Lease, Term of Contract (Year) | 5 years |

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- Definition Amount of increase (decrease) in obligation for operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -SubTopic 20 -Topic 842 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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