Note 21 - Income Taxes - Uncertain Tax Benefits Liability (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017
Balance at January 1,		$ 3,991	$ 4,962
Changes in tax positions related to current year (1)	[1]	(250)	339
Reductions due to lapsed statute of limitations		(935)	(1,310)
Balance at December 31,		$ 2,806	$ 3,991

[1] Amounts relate to increases/(decreases) from foreign currency translation adjustments.