Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Fair Value - Assets Measured on Nonrecurring Basis (Details)

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Note 4 - Fair Value - Assets Measured on Nonrecurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Impaired Loans [Member]    
Loans, fair value   $ 328
Collateral Pledged [Member]    
Loans, fair value $ 27  
Fair Value, Nonrecurring [Member] | Impaired Loans [Member]    
Loans, fair value   328
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] | Impaired Loans [Member]    
Loans, fair value   0
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Impaired Loans [Member]    
Loans, fair value   0
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member]    
Loans, fair value   $ 328
Fair Value, Nonrecurring [Member] | Collateral Pledged [Member]    
Loans, fair value 27  
Fair Value, Nonrecurring [Member] | Collateral Pledged [Member] | Fair Value, Inputs, Level 1 [Member]    
Loans, fair value 0  
Fair Value, Nonrecurring [Member] | Collateral Pledged [Member] | Fair Value, Inputs, Level 2 [Member]    
Loans, fair value 0  
Fair Value, Nonrecurring [Member] | Collateral Pledged [Member] | Fair Value, Inputs, Level 3 [Member]    
Loans, fair value $ 27