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Income Taxes (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income tax rate 21.00% 21.00%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 0 $ 0
Income tax provision included in expense 0 $ 0
State and Local Jurisdiction [Member]    
Operating Loss Carryforwards 242,795,000  
Foreign Tax Authority [Member]    
Operating Loss Carryforwards 323,000  
U.S. Federal [Member]    
Operating Loss Carryforwards 202,231,000  
Tax Credit Carryforwards 2,016,000  
Interest Carryforwards $ 12,620,000