v3.26.1
Note 7 - Party-in-Interest Transactions (Details Textual) - EBP 47-0914596 001 [Member] - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Common Stock [Member]    
EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment $ 149,156 $ 136,777
EBP, Investment, Number of Shares (in shares) 384,894 356,752
Preferred Stock [Member]    
EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment $ 5,540 $ 4,560
EBP, Investment, Number of Shares (in shares) 3,103 2,582