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Income Taxes (Narrative) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Income tax rate 21.00% 21.00%
Deferred tax assets $ 14,704,000 $ 4,797,000
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 220,406,000  
U.S. Federal [Member]    
Operating Loss Carryforwards 210,223,000  
Deferred Tax Asset, Interest Carryforward 33,392,000  
Tax Credit Carryforwards 2,016,000  
Interest Carryforwards 33,392,000  
China [Member]    
Operating Loss Carryforwards 356,000  
Mexico [Member]    
Deferred tax assets $ 100