Quarterly report pursuant to Section 13 or 15(d)

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

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Note 3 - Loans and Allowance for Loan Losses (Details Textual) - USD ($)
Mar. 31, 2023
Jan. 01, 2023
Dec. 31, 2022
Mar. 31, 2022
Dec. 31, 2021
Escrow Deposit $ 300,000   $ 231,000    
Loans and Leases Receivable, Related Parties 587,000   597,000    
Off-Balance-Sheet, Credit Loss, Liability 6,000 $ 0      
Financing Receivable, before Allowance for Credit Loss 104,522,000   103,983,000    
Financing Receivable, Allowance for Credit Loss 979,000 624,000 624,000 $ 785,000 $ 779,000
Financing Receivable, Modified, Accumulated 0     0  
First Mortgage Loans [Member]          
Impaired Financing Receivable, Unpaid Principal Balance 13,500,000   13,700,000    
First Mortgage Loans [Member] | One To Four Family Residential [Member]          
Financing Receivable, Allowance for Credit Loss 890,000 $ 581,000 $ 581,000 $ 729,000 $ 675,000
First Mortgage Loans [Member] | One To Four Family Residential [Member] | Collateral Pledged [Member]          
Financing Receivable, before Allowance for Credit Loss 148,000        
Financing Receivable, Allowance for Credit Loss $ 0