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Long-Term Debt (Details) - USD ($)
3 Months Ended
Dec. 10, 2021
Apr. 23, 2020
Sep. 16, 2019
Apr. 27, 2019
Dec. 10, 2017
Mar. 31, 2022
Mar. 31, 2023
Dec. 31, 2022
Loan Agreement With MidCap [Member]                
Long-Term Debt (Details) [Line Items]                
Line of Credit Facility, Maximum Borrowing Capacity     $ 2,200,000          
Debt Instrument, Basis Spread on Variable Rate     4.75%          
Debt Instrument, Interest Rate, Effective Percentage             12.75%  
Long-Term Line of Credit             $ 2,200,000  
First Carlisle Agreement [Member]                
Long-Term Debt (Details) [Line Items]                
Proceeds from Loans       $ 500,000        
Debt Instrument, Maturity Date       Apr. 27, 2019        
Debt Instrument, Interest Rate, Stated Percentage       12.00%        
Interest Payable, Current             315,000 $ 300,000
Second Carlisle Agreement [Member]                
Long-Term Debt (Details) [Line Items]                
Proceeds from Loans         $ 500,000      
Debt Instrument, Maturity Date         Dec. 10, 2017      
Debt Instrument, Interest Rate, Stated Percentage         12.00%      
Interest Payable, Current             315,000 300,000
8¼% Limited Convertible Senior Subordinated Notes Due 2012 [Member]                
Long-Term Debt (Details) [Line Items]                
Long-Term Debt             302,000 302,000
Interest Payable, Current             338,000 332,000
9½% Subordinated Debentures Due 2012 [Member]                
Long-Term Debt (Details) [Line Items]                
Long-Term Debt             220,000 220,000
Interest Payable, Current             279,000 273,000
EIDL Loan Note [Member] | Loan Note [Member]                
Long-Term Debt (Details) [Line Items]                
Proceeds from Loans $ 500,000              
Long-Term Debt             $ 500,000  
Debt Instrument, Maturity Date Dec. 10, 2051              
Debt Instrument, Interest Rate, Stated Percentage             3.75%  
Interest Payable, Current             $ 24,000 $ 20,000
Enterprise Bank and Trust [Member] | Loan Note [Member]                
Long-Term Debt (Details) [Line Items]                
Proceeds from Loans   $ 811,000            
Proceeds From Loan Forgiveness           $ 453,000