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Income Taxes (FASB ASC 740 Income Taxes) (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
BELGIUM    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards $ 3,600,000  
NEW JERSEY    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 14,156,000  
Effective income tax rate reconciliation, tax credit, amount 38,600 $ 1,313,000
Domestic Tax Authority [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 166,300,000  
Operating loss carry forwards with no expiration date 103,300,000  
New Jersey Division of Taxation [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 28,800,000  
State and Local Jurisdiction [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards $ 82,500,000