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Note 16 - Tax Expense - Tax Paid (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Statement Line Items [Line Items]      
Net income tax payable at January 1 $ (1,461) $ (419) $ (163)
Current tax expense (9,932) (9,051) (9,492)
Foreign currency movement 3,244 583 2,580
Tax paid 6,866 7,426 6,656
Net income tax payable at December 31 $ (1,284) $ (1,461) $ (419)