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Stockholders' Equity (Narrative) (Details) - USD ($)
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Class of Stock [Line Items]      
Preferred Stock, Shares Authorized 20,000,000    
Preferred Stock, Par Value Per Share $ 1.00    
Preferred stock $ 0   $ 0
Receivable from issuance of stock   $ 700,000  
Preferred Stock Retired, Liquidation Preference   $ 5,000,198  
Exercise price of warrant   $ 21.62  
Reclassification of stock-based compensation liability to equity 10,600,000 $ 7,500,000  
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation $ 1,900,000    
Common Class A [Member]      
Class of Stock [Line Items]      
Common Stock, Shares Authorized 70,000,000    
Common Stock, Par or Stated Value Per Share $ 0.10    
Common Stock, Shares, Issued 13,757,384   13,757,384
Common Class B [Member]      
Class of Stock [Line Items]      
Common Stock, Shares Authorized 30,000,000    
Common Stock, Par or Stated Value Per Share $ 0.10    
Common Stock, Shares, Issued 719,200