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Note 14 - Receivables - Non Current - Components of Receivables Non Current (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Trade and other non-current receivables [abstract]    
Employee advances and loans $ 4,563 $ 6,008
Tax credits 18,046 20,065
Receivables from related parties 62,790 59,999
Legal deposits 8,600 12,378
Advances to suppliers and other advances 4,803 3,772
Receivable Venezuelan subsidiaries 48,659 48,659
Others 6,842 6,222
Trade and other non-current receivables before the allowance for doubtful accounts $ 154,303 $ 157,103