Note 4 - Allowance for Loan Losses (Details Textual) - USD ($) |
Dec. 31, 2023 |
Jan. 01, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Off-Balance-Sheet, Credit Loss, Liability | $ 14,000 | $ 0 | ||
| Financing Receivable, before Allowance for Credit Loss | 121,799,000 | $ 103,983,000 | ||
| Financing Receivable, Allowance for Credit Loss | 1,176,000 | 624,000 | 624,000 | $ 779,000 |
| Financing Receivable, Modified, Accumulated | 0 | 0 | ||
| First Mortgage Loans [Member] | One To Four Family Residential [Member] | ||||
| Financing Receivable, Allowance for Credit Loss | 1,094,000 | $ 581,000 | $ 581,000 | $ 675,000 |
| First Mortgage Loans [Member] | One To Four Family Residential [Member] | Collateral Pledged [Member] | ||||
| Financing Receivable, before Allowance for Credit Loss | 200,000 | |||
| Financing Receivable, Allowance for Credit Loss | $ 0 |
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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