Note 10 - Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Statement Line Items [Line Items]

Disclosure of detailed information about intangible assets [text block]

			Customer						Other intangible
[US$ thousands]	Goodwill		relationships		Technology		Trademarks		assets			Total
Cost
Cost as of January 1, 2018		421,578		40,700		14,545		70,600		2,020			549,443
Additions (1)		-		-		4,132		-		27			4,159
Disposals		-		-		-		-		-			-
Exchange differences		-		-		-		-		-			-
As of December 31, 2018		421,578		40,700		18,677		70,600		2,047			553,602
Additions (1)		-		-		3,545		-		-			3,545
Disposals		-		-		-		-		-			-
Exchange differences		-		-		-		-		-			-
As of December 31, 2019		421,578		40,700		22,222		70,600		2,047			557,147
Amortization and impairment
As of January 1, 2018		-		3,477		4,028		-		1,741			9,246
Amortization for the year		-		2,980		4,094		-		261			7,335
Disposals		-		-				-		-			-
Exchange differences		-		-				-		-			-
As of December 31, 2018		-		6,457		8,122		-		2,002			16,581
Amortization for the year		-		2,980		5,203		-		2			8,185
Disposals		-		-		-		-		-			-
Exchange differences		-		-		-		-		(4	)		(4	)
As of December 31, 2019		-		9,437		13,325		-		2,000			24,762
Net book value as of December 31, 2018		421,578		34,243		10,555		70,600		45			537,022
Net book value as of December 31, 2019		421,578		31,263		8,897		70,600		47			532,385

Disclosure of intangible assets with indefinite and definite useful life [text block]

	Goodwill	Customer relationships	Technology	Trademarks	Other intangible assets
Useful life	Indefinite	Up to 15 year	Up to 5 year	Indefinite	Up to 5 years
Amortization method		Straight-line	Straight-line		Straight-line