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Note 35 - Related Parties (Details Textual)
 6 Months Ended 12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Statement Line Items [Line Items]          
Estimated financial effect of contingent liabilities, determinate number of years for severance pay 2   2    
Expense from cash-settled share-based payment transactions including costs included in production costs     $ 354,000 $ 123,000 $ 295,000
SR Curtis [member]          
Statement Line Items [Line Items]          
Related party consulting, monthly fee $ 44,100        
Related party, consulting fee     265,000 0  
SR Curtis [member] | Entering into significant commitments or contingent liabilities [member]          
Statement Line Items [Line Items]          
Related party consulting, monthly fee   $ 12,500      
Contingent liability arising from termination [member]          
Statement Line Items [Line Items]          
Estimated financial effect of contingent liabilities $ 8,575,000   $ 8,575,000 $ 8,214,000 $ 8,338,000