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Stock-Based Compensation (SAR Activity) (Details) - Stock Appreciation Rights (SARs) [Member] - $ / shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding at the beginning of the year 853,967  
Granted 1,735,500 1,164,464
Exercised (42,652)  
Forfeited or expired (383,476) (310,497)
Outstanding at the end of the year 2,163,339 853,967
Options Outstanding, Exercisable at the end of the year (shares) 192,387  
Weighted-Average Grant Date Fair Value, Nonvested at the beginning of the year (per share) $ 1.69  
Weighted Average Grant Date Fair Value, Granted (per share) 2.38 $ 1.68
Weighted Average Grant Date Fair Value, Exercised (per share) 1.64  
Weighted Average Grant Date Fair Value, Forfeited or expired (per share) 1.92 1.64
Weighted-Average Grant Date Fair Value, Nonvested at the end of the year (per share) 2.20 $ 1.69
Weighted-Average Exercise Price, Exercisable at the end of the year (per share) $ 1.71