Note 5 - Goodwill and Other Intangible Assets - Components of Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Gross carrying value	$ 72,130	$ 70,854
Accumulated amortization	28,931	24,327
Other intangibles, net	43,199	46,527
Product Technology and Intellectual Property [Member]
Gross carrying value	29,549	29,549
Accumulated amortization	15,381	13,319
Other intangibles, net	14,168	16,230
Trademarks, Tradenames and Licenses [Member]
Gross carrying value	3,767	3,647
Accumulated amortization	1,870	1,533
Other intangibles, net	1,897	2,114
Customer Relationships [Member]
Gross carrying value	37,171	36,197
Accumulated amortization	10,341	8,359
Other intangibles, net	26,830	27,838
Other Intangible Assets [Member]
Gross carrying value	1,643	1,461
Accumulated amortization	1,339	1,116
Other intangibles, net	$ 304	$ 345