Note 9 - Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	(Dollars in thousands)
Year ending December 31:
2019	$	13,422
2020		13,105
2021		13,105
2022		12,850
2023		12,734
Thereafter		134,658
Total	$	199,874

Schedule of Goodwill [Table Text Block]

	2018			2017
	(Dollars in thousands)
Goodwill as of January 1,	$	21,037		$	6,650
Goodwill acquired		12,710			13,464
Goodwill impairment charge		(13,464	)		-
Translation differences		(333	)		923
Goodwill as of December 31,	$	19,950		$	21,037