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Fair Value of Financial Instruments, Assets and Liabilities Measured at Fair Value (Details) - USD ($)
Jun. 30, 2023
Dec. 31, 2022
Jun. 30, 2022
Dec. 31, 2021
Assets and Liabilities Measured at Fair Value [Abstract]        
Derivative Liability - Contingent Interest $ 852,000 $ 573,000    
April Note [Member]        
Assets and Liabilities Measured at Fair Value [Abstract]        
Derivative Liability - Contingent Interest 366,000 249,000 $ 276,000 $ 495,000
September Note [Member]        
Assets and Liabilities Measured at Fair Value [Abstract]        
Derivative Liability - Contingent Interest 159,000 109,000 131,000 250,000
December Note [Member]        
Assets and Liabilities Measured at Fair Value [Abstract]        
Derivative Liability - Contingent Interest 327,000 215,000 $ 219,000 $ 385,000
Recurring [Member] | Level 1 [Member]        
Assets and Liabilities Measured at Fair Value [Abstract]        
Assets 0 0    
Liabilities 0 0    
Recurring [Member] | Level 2 [Member]        
Assets and Liabilities Measured at Fair Value [Abstract]        
Assets 0 0    
Liabilities 0 0    
Recurring [Member] | April Note [Member] | Level 3 [Member]        
Assets and Liabilities Measured at Fair Value [Abstract]        
Derivative Liability - Contingent Interest 366,000 249,000    
Recurring [Member] | September Note [Member] | Level 3 [Member]        
Assets and Liabilities Measured at Fair Value [Abstract]        
Derivative Liability - Contingent Interest 159,000 109,000    
Recurring [Member] | December Note [Member] | Level 3 [Member]        
Assets and Liabilities Measured at Fair Value [Abstract]        
Derivative Liability - Contingent Interest $ 327,000 $ 215,000