Note 8 - Long-lived Assets (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Construction in Progress Expenditures Incurred but Not yet Paid	$ 1,523
Amortization of Intangible Assets	$ 664	$ 725
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	6 years
Finite-Lived Intangible Assets, Remaining Amortization Period (Year)	2 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	20 years
Finite-Lived Intangible Assets, Remaining Amortization Period (Year)	4 years
Industrial Solutions [Member]
Goodwill and Intangible Asset Impairment, Total	$ 0