Note 5 - Goodwill and Other Intangible Assets - Components of Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Gross carrying value	$ 72,130	$ 72,130
Accumulated amortization	33,363	30,419
Other intangibles, net	38,767	41,711
Product Technology and Intellectual Property [Member]
Gross carrying value	29,549	29,549
Accumulated amortization	17,379	16,048
Other intangibles, net	12,170	13,501
Trademarks, Tradenames and Licenses [Member]
Gross carrying value	3,767	3,767
Accumulated amortization	2,085	1,909
Other intangibles, net	1,682	1,858
Customer Relationships [Member]
Gross carrying value	37,171	37,171
Accumulated amortization	12,386	11,064
Other intangibles, net	24,785	26,107
Other Intangible Assets [Member]
Gross carrying value	1,643	1,643
Accumulated amortization	1,513	1,398
Other intangibles, net	$ 130	$ 245