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Note 22 - Prepayments - Schedule of Prepayments (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Statement Line Items [Line Items]    
Solar prepayments $ 0 $ 104
Other prepayments 265 162
Current prepayments and other current assets 2,538 3,693
South African operations [member]    
Statement Line Items [Line Items]    
Suppliers 527 254
Zimbabwean operations [member] | Blanket Mine [member]    
Statement Line Items [Line Items]    
Suppliers 1,746 1,494
Zimbabwean operations [member] | Bilboes [member]    
Statement Line Items [Line Items]    
Suppliers 0 802
Bilboes pre-effective date costs $ 0 $ 877