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Note 33 - Financial Instruments - Non-derivative Financial Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Statement Line Items [Line Items]      
Trade and other payables $ 4,622 $ 5,116 $ 7,493
Term loan facility 408 2,471 5,960
Non-derivative financial liabilities, undiscounted cash flows 5,030 7,587 13,453
Not later than one year [member]      
Statement Line Items [Line Items]      
Trade and other payables 4,622 5,116 7,493
Term loan facility 408
Non-derivative financial liabilities, undiscounted cash flows 5,030 5,116 7,493
Later than one year and not later than three years [member]      
Statement Line Items [Line Items]      
Trade and other payables
Term loan facility 2,471 5,960
Non-derivative financial liabilities, undiscounted cash flows $ 2,471 $ 5,960