Note 5 - Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

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

	September 30, 2023						December 31, 2022
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Value		Amortization		Value		Value		Amortization		Value
	(in thousands)
Product technology and intellectual property	$	29,549	$	15,381	$	14,168	$	29,549	$	13,319	$	16,230
Trademarks, tradenames and licenses		3,767		1,870		1,897		3,647		1,533		2,114
Customer relationships		37,171		10,341		26,830		36,197		8,359		27,838
Other intangible assets		1,643		1,339		304		1,461		1,116		345
Total identifiable intangible assets	$	72,130	$	28,931	$	43,199	$	70,854	$	24,327	$	46,527

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

	Three months ended September 30,				Nine months ended September 30,
	2023		2022		2023		2022
	(in thousands)				(in thousands)
Amortization expense	$	1,536	$	1,535	$	4,604	$	4,647

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

	Year ended December 31,
	2023		2024		2025		2026		2027		2028
	(in thousands)
Amortization expense	$	1,488	$	5,904	$	5,554	$	5,119	$	4,842	$	4,456