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Related Party Transactions (Narrative) (Details) - USD ($)
6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Senior Officer of NLEX [Member] | Lease Amounts [Member] | Edwardsville, IL [Member] | Selling, General and Administrative Expenses [Member]    
Related Party Transaction [Line Items]    
Payment to related party $ 56,000 $ 56,000