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Note 23 - Reserves - Reserves in Equity (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Statement Line Items [Line Items] |  |  |
Foreign currency translation reserve | $ (6,561) | $ (5,885) | $ (6,258)
Equity-settled share-based payment reserve (note 26.1) | 16,760 | 16,746 | 16,041
Contributed surplus | 132,591 | 132,591 | 132,591
Total | $ 142,790 | $ 143,452 | $ 142,374

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