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Note 6 - Blanket Zimbabwe Indigenisation Transaction - Movement in Advance Dividend Loan (Details) - Reserve of share-based payments [member] - Faciliation Loans [Member] - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Statement Line Items [Line Items] |  |
Balance | $ 16,712 | $ 19,175
Interest incurred | 580 | 1,313
Dividends used to repay loan | (2,266) | (3,776)
Balance | $ 15,026 | $ 16,712

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- Details
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