Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Value Hierarchy of Certain Financial Information (Details)

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Note 8 - Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Value Hierarchy of Certain Financial Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Reported Value Measurement [Member]    
Loans, net $ 103,543 $ 103,359
Interest-bearing deposits 157,493 165,737
Estimate of Fair Value Measurement [Member]    
Loans, net 94,529 94,779
Interest-bearing deposits 136,599 165,535
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]    
Loans, net 0 0
Interest-bearing deposits 0 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]    
Loans, net 0 0
Interest-bearing deposits 136,599 165,535
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]    
Loans, net 94,529 94,779
Interest-bearing deposits $ 0 $ 0