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Note 33 - Related Parties - Key Management Personnel and Entities (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Statement Line Items [Line Items]      
Key management salaries and bonuses $ 2,476 $ 2,041 $ 2,033
Cash-settled share-based expense* [1] 261 1,164 788
$ 2,737 $ 3,205 $ 2,821
[1] Amount inclusive of $43(2017: $311) classified as production costs.