v3.26.1
Note 2 - Securities Available for Sale (Details Textual)
6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Securities, Unrealized Loss Position, Number of Positions 180    
Debt Securities, Available-for-Sale, Allowance for Credit Loss $ 0   $ 0
Proceeds from Sale of Debt Securities, Available-for-Sale 0 $ 0  
Mortgage-related Securities [Member] | Asset Pledged as Collateral [Member]      
Debt Securities, Available-for-Sale, Restricted $ 36,000   $ 59,000