v3.26.1
Note 8 - Restricted Investments in Stock (Details Textual)
6 Months Ended
Jun. 30, 2026
USD ($)
shares
Jun. 25, 2026
Dec. 31, 2025
USD ($)
Schedule of Investments [Line Items]      
Restricted investment in stocks $ 7,287,000   $ 6,663,000
Stock conversion ratio   1.4953  
Impairment charge of restricted investment 0    
Payment for acquired Federal Reserve Bank stock $ 781,000    
Common Class B-3 [Member]      
Schedule of Investments [Line Items]      
Number of shares owned | shares 1,625    
Common Class C [Member]      
Schedule of Investments [Line Items]      
Number of shares owned | shares 408    
Investment in Federal Home Loan Bank Stock [Member]      
Schedule of Investments [Line Items]      
Restricted investment in stocks $ 3,453,000    
Payment for acquired 611,000    
Investment in Atlantic Community Bankers Bank Stock [Member]      
Schedule of Investments [Line Items]      
Restricted investment in stocks 72,000    
Payment for acquired 60,000    
Investment In SHCPFIC Preferred Stock [Member]      
Schedule of Investments [Line Items]      
Restricted investment in stocks $ 1,000,000    
Number of shares owned | shares 100    
Investment in National Energy Improvement Fund, LLC [Member]      
Schedule of Investments [Line Items]      
Restricted investment in stocks $ 2,762,000    
VISA Class B-2 Stock [Member]      
Schedule of Investments [Line Items]      
Restricted investment in stocks $ 0    
Number of shares owned | shares 3,251