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Note 4 - Loans Receivable and Allowance for Credit Losses on Loans - Schedule of Financing Receivable, Modified, Past Due (Details) - Real Estate Portfolio Segment [Member] - Construction Loans [Member] | 12 Months Ended
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Dec. 31, 2024 USD ($)
Construction and development | $ 1,510
Financial Asset, 30 to 59 Days Past Due [Member] |
Construction and development | 0
Financial Asset, 60 to 89 Days Past Due [Member] |
Construction and development | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |
Construction and development | 4,979,000
Financial Asset, Past Due [Member] |
Construction and development | $ 4,979,000

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- Definition Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
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