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Long-Term Debt (Details) - 2012 Note - 8¼% Limited Convertible Senior Subordinated Notes Due 2012 [Member] - USD ($)
9 Months Ended
Jan. 15, 2021
Sep. 30, 2021
Sep. 30, 2022
Dec. 31, 2021
Long-Term Debt (Details) - 2012 Note [Line Items]        
Long-Term Debt     $ 302,000 $ 302,000
Interest Payable, Current     $ 326,000 $ 307,000
Debt Instrument, Face Amount $ 50,000      
Debt Exchange Each Principal Amount of Original Debt Exchanged 1,000      
Repayment of Convertible Debt Principal 400      
Debt Exchanged Aggregate Payment $ 20,000      
Gain (Loss) on Extinguishment of Debt   $ 77,000