Note 5 - Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Domestic	$ (4,079)	$ (5,672)
Foreign	8,982	9,780
Income (loss) before income taxes	4,903	4,108
Federal	24	0
Foreign	2,705	2,438
State	66	117
Federal	(128)	(654)
Foreign	317	219
State	(207)	(12)
Net expense	$ 2,777	$ 2,108