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Related Party Transactions (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Related Party Transaction [Line Items]        
Common Stock, Shares, Issued   36,284,382   35,281,183
West Separation Agreement [Member]        
Related Party Transaction [Line Items]        
Due to Employees $ 200,000      
Payment To Related Party For Offset Health Coverage Cost $ 775      
Common Stock, Shares, Issued 25,000      
Senior Officer of NLEX [Member] | Lease Amounts [Member] | Edwardsville, IL [Member]        
Related Party Transaction [Line Items]        
Related party transaction agreement end date   May 31, 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   $ 55,000 $ 54,000