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Equity Incentive Plans (Summary of Stock Option Activity) (Details) - $ / shares
 6 Months Ended 12 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Equity Incentive Plans [Abstract]    
Outstanding, Beginning Balance - Number of Options 975,975  
Options Granted - Number of Options  
Options Exercised - Number of Options  
Options Forfeited - Number of Options  
Options Expired - Number of Options (80,000)  
Outstanding, Ending Balance - Number of Options 895,975 975,975
Outstanding, Range of Exercise Price, Lower Range Limit (per share) $ 10.55 $ 10.55
Outstanding, Range of Exercise Price, Upper Range Limit (per share) 13.68 13.68
Options expired - Exercise prices 13.32  
Outstanding Number of Options, Beginning Balance - Weighted Average Exercise Price 11.89  
Number of Options Granted - Weighted Average Exercise Price  
Number of Options, Exercised - Weighted Average Exercise Price  
Number of Options Forfeited - Weighted Average Exercise Price  
Number of Options Expired - Weighted Average Exercise Price 13.32  
Outstanding Number of Options, Ending Balance - Weighted Average Exercise Price $ 11.76 $ 11.89