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Note 30 - Financial Instruments - Non-derivative Financial Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Statement Line Items [Line Items]    
Trade and other payables $ 10,051 $ 9,581
Term loan facility 5,960 1,486
16,011 11,378
Overdraft 311
Not later than one year [member]    
Statement Line Items [Line Items]    
Trade and other payables 10,051 9,581
Term loan facility 1,486
10,051 11,378
Overdraft   311
Later than one year and not later than three years [member]    
Statement Line Items [Line Items]    
Trade and other payables
Term loan facility 5,960
$ 5,960
Overdraft