Note 5 - Goodwill and Other Intangibles (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Goodwill [Table Text Block]

	(in thousands)
Balance at December 31, 2019	$	39,951
Additions for acquisitions		26,170
Effects of currency exchange		30
Balance at June 30, 2020	$	66,151

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	June 30, 2020						December 31, 2019
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Value		Amortization		Value		Value		Amortization		Value
	(in thousands)
Product technology and intellectual property	$	29,951	$	6,457	$	23,494	$	13,502	$	5,722	$	7,780
Trademarks, tradenames and licenses		4,000		800		3,200		1,807		702		1,105
Customer relationships		39,470		4,047		35,423		18,215		3,364		14,851
Other intangible assets		1,767		719		1,048		1,725		568		1,157
Total identifiable intangible assets	$	75,188	$	12,023	$	63,165	$	35,249	$	10,356	$	24,893

Finite-lived Intangible Assets Amortization Expense [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
	2020		2019		2020		2019
	(in thousands)				(in thousands)
Amortization expense	$	894	$	556	$	1,728	$	1,111

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

	Year ended December 31,
	2020		2021		2022		2023		2024		2025
	(in thousands)
Amortization expense	$	3,146	$	6,258	$	6,053	$	5,979	$	5,783	$	5,545