v3.26.1
Note 20 - Fair Value Measurements and Fair Values of Financial Instruments - Financial Assets and Liabilities on a Recurring and Nonrecurring (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Investment securities available for sale $ 882 $ 1,666
Fair Value, Recurring [Member]    
Investment securities available for sale 882 1,666
Total fair value measurements 882 1,666
Other real estate owned 360  
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Investment securities available for sale 0 0
Total fair value measurements 0 0
Other real estate owned 0  
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Investment securities available for sale 882 1,666
Total fair value measurements 882 1,666
Other real estate owned 0  
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Investment securities available for sale 0 0
Total fair value measurements 0 0
Other real estate owned 360  
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] | Government National Mortgage Association (GNMA) [Member]    
Investment securities available for sale 848 1,630
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] | Government National Mortgage Association (GNMA) [Member] | Fair Value, Recurring [Member]    
Investment securities available for sale 848 1,631
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] | Government National Mortgage Association (GNMA) [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Investment securities available for sale 0 0
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] | Government National Mortgage Association (GNMA) [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Investment securities available for sale 848 1,631
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] | Government National Mortgage Association (GNMA) [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Investment securities available for sale 0 0
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] | Federal National Mortgage Association (FNMA) [Member]    
Investment securities available for sale 34 36
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] | Federal National Mortgage Association (FNMA) [Member] | Fair Value, Recurring [Member]    
Investment securities available for sale 34 35
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] | Federal National Mortgage Association (FNMA) [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Investment securities available for sale 0 0
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] | Federal National Mortgage Association (FNMA) [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Investment securities available for sale 34 35
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] | Federal National Mortgage Association (FNMA) [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Investment securities available for sale $ 0 $ 0