Annual report pursuant to Section 13 and 15(d)

Note 18 - Changes in Accounting Principles - Impact of Adoption of ASU (Details)

v3.24.1
Note 18 - Changes in Accounting Principles - Impact of Adoption of ASU (Details) - USD ($)
Dec. 31, 2023
Jan. 01, 2023
Dec. 31, 2022
Dec. 31, 2021
Allowance for credit losses for all loans $ 1,176,000 $ 624,000 $ 624,000 $ 779,000
Allowance for credit losses on off-balance sheet exposures 14,000 0    
First Mortgage Loans [Member] | One To Four Family Residential [Member]        
Allowance for credit losses for all loans 1,094,000 581,000 581,000 675,000
First Mortgage Loans [Member] | Multifamily [Member]        
Allowance for credit losses for all loans 40,000 19,000 19,000 69,000
First Mortgage Loans [Member] | Commercial Real Estate [Member]        
Allowance for credit losses for all loans 37,000 19,000 19,000 25,000
Consumer Portfolio Segment [Member]        
Allowance for credit losses for all loans $ 1,000 5,000 5,000 $ 10,000
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Accounting Standards Update 2016-13 [Member]        
Allowance for credit losses for all loans   1,008,000    
Allowance for credit losses on off-balance sheet exposures   5,000    
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Accounting Standards Update 2016-13 [Member] | First Mortgage Loans [Member] | One To Four Family Residential [Member]        
Allowance for credit losses for all loans   916,000    
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Accounting Standards Update 2016-13 [Member] | First Mortgage Loans [Member] | Multifamily [Member]        
Allowance for credit losses for all loans   42,000    
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Accounting Standards Update 2016-13 [Member] | First Mortgage Loans [Member] | Commercial Real Estate [Member]        
Allowance for credit losses for all loans   48,000    
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Accounting Standards Update 2016-13 [Member] | Consumer Portfolio Segment [Member]        
Allowance for credit losses for all loans   2,000    
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]        
Allowance for credit losses for all loans   384,000 384,000  
Allowance for credit losses on off-balance sheet exposures   5,000    
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | First Mortgage Loans [Member] | One To Four Family Residential [Member]        
Allowance for credit losses for all loans   335,000 335,000  
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | First Mortgage Loans [Member] | Multifamily [Member]        
Allowance for credit losses for all loans   23,000 23,000  
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | First Mortgage Loans [Member] | Commercial Real Estate [Member]        
Allowance for credit losses for all loans   29,000 29,000  
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Consumer Portfolio Segment [Member]        
Allowance for credit losses for all loans   $ (3,000) $ (3,000)