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Note 33 - Financial Instruments and Risk Management - Effect of Gold Prices on Derivative Financial Instruments (Details) - Put option derivative [member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Statement Line Items [Line Items]    
Increase by 5% of the gold price $ 0 $ 0
Decrease by 5% of the gold price 4 22
Increase by 5% of the gold price 0 0
Decrease by 5% of the gold price $ 4 $ 22