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Shareholders' Equity (Narrative) (Details) - $ / shares
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Earnings Per Share [Line Items]        
Common stock, shares authorized 50,000,000      
Common stock, no par value $ 0      
Preferred stock, shares authorized 10,000,000      
Preferred stock, no par value $ 0      
Common Stock [Member]        
Earnings Per Share [Line Items]        
Shares, outstanding 13,023,511 13,131,672 13,361,613 13,422,692
Series A preferred stock [Member]        
Earnings Per Share [Line Items]        
Preferred stock, shares issued 600,000 600,000    
Preferred stock, shares outstanding 600,000 600,000