Note 3 - Acquisition and Divesture - Assets and Liabilities Included in Sale (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jun. 01, 2023
Gain on sale recognized	$ 0	$ 980	$ 0
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Bel Stewart s.r.o. [Member]
Cash and cash equivalents		2,072
Accounts receivable		1,030
Inventories		1,310
Property, plant and equipment		326
Other assets		48
Accounts payable		441
Accrued expenses		126
Income taxes payable		100
Other current liabilities		13
Other long-term liabilities		23
Total net assets transferred		4,083
Consideration received		5,063		$ 5,100
Gain on sale recognized		$ 980