v3.26.1
Note 3 - Securities (Details Textual)
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Debt Securities, Available-for-Sale, Allowance for Credit Loss $ 0 $ 0
Debt Securities, Available-for-Sale, Number of Securities 1,069 899
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions 829 716
SBIC Funds [Member]    
Equity Securities, FV-NI $ 15,900,000 $ 15,500,000
Local and Regional Banks and Other Funds [Member]    
Equity Securities, FV-NI $ 901,000 $ 370,000