Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Loans and Allowance for Credit Losses (Details Textual)

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Note 3 - Loans and Allowance for Credit Losses (Details Textual) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2024
Jun. 30, 2024
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Dec. 31, 2022
Escrow Deposit $ 116,000 $ 116,000   $ 231,000      
Financing Receivable, Accrued Interest, after Allowance for Credit Loss 566,000 566,000   392,000      
Loans and Leases Receivable, Related Parties 535,000 535,000   550,000      
Off-Balance-Sheet, Credit Loss, Liability 60,000 60,000   4,000      
Provision for Credit Losses, Amount Excluded 16,000 47,000          
Financing Receivable, before Allowance for Credit Loss 135,082,000 135,082,000   121,799,000      
Financing Receivable, Allowance for Credit Loss 1,271,000 1,271,000 $ 1,267,000 1,176,000 $ 1,061,000 $ 1,010,000 $ 624,000
Financing Receivable, Nonaccrual, Interest Income   0          
Financing Receivable, Modified, Accumulated 0 0     0    
First Mortgage Loans [Member]              
Financing Receivable, Unpaid Principal Balance 15,200,000 15,200,000   13,200,000      
First Mortgage Loans [Member] | One To Four Family Residential [Member]              
Financing Receivable, Allowance for Credit Loss 1,164,000 1,164,000 $ 1,165,000 1,094,000 $ 984,000 $ 928,000 $ 581,000
First Mortgage Loans [Member] | Collateral Pledged [Member]              
Financing Receivable, before Allowance for Credit Loss $ 0 $ 0          
First Mortgage Loans [Member] | Collateral Pledged [Member] | One To Four Family Residential [Member]              
Financing Receivable, before Allowance for Credit Loss       200,000      
Financing Receivable, Allowance for Credit Loss       $ 0