v3.24.2.u1
Note 3 - Notes Receivable and Advances, Net (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 27, 2024
Jun. 30, 2024
Jun. 30, 2024
Apr. 19, 2024
Jan. 02, 2024
RenFuel K2B AB Note Receivable [Member]          
Financing Receivable, before Allowance for Credit Loss $ 3,450,000       $ 250,000
Note Receivable, Interest Rate 7.00%     7.00% 7.00%
Note Receivables, Each Tranche       $ 250,000  
Payments to Acquire Notes Receivable     $ 580,000    
Interest Income, Financing Receivable, before Allowance for Credit Loss   $ 8,078 12,345    
RenFuel K2B AB Note Receivable [Member] | Maximum [Member]          
Financing Receivable, before Allowance for Credit Loss       $ 3,000,000  
Legal Fees $ 450,000        
GenMat Advances [Member]          
Payments for Advance to Affiliate     235,636    
Advances to Affiliate   $ 412,206 $ 412,206