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Note 36 - Related Parties (Details Textual) - USD ($)
 6 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Statement Line Items [Line Items]        
Expense from cash-settled share-based payment transactions including costs included in production costs   $ 104,000 $ 354,000 $ 123,000
Key management personnel compensation, bonuses provided   647,000 1,378,000 1,011,000
Key management personnel compensation, termination benefits   1,588,000 54,000 0
Cash outflow for leases   184,000 150,000  
SR Curtis [member]        
Statement Line Items [Line Items]        
Related party consulting, monthly fee $ 44,100      
Related party, consulting fee   150,000 265,000 0
SR Curtis [member] | Entering into significant commitments or contingent liabilities [member]        
Statement Line Items [Line Items]        
Related party consulting, monthly fee   12,500    
V Gapare [member]        
Statement Line Items [Line Items]        
Cash outflow for leases   30,000    
Contingent liability arising from termination [member]        
Statement Line Items [Line Items]        
Estimated financial effect of contingent liabilities $ 8,575,000 $ 7,809,000 $ 8,575,000 $ 8,214,000
Bottom of range [member]        
Statement Line Items [Line Items]        
Estimated financial effect of contingent liabilities, determinate number of years for severance pay (Year)   6 months    
Top of range [member]        
Statement Line Items [Line Items]        
Estimated financial effect of contingent liabilities, determinate number of years for severance pay (Year)   2 years