Note 7 - Income Taxes - Schedule of Income Before Income Tax Domestic and Foreign (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
U.S.	$ (1,852)	$ (820)
Foreign	(2,006)	(1,422)
Loss before income taxes	$ (3,858)	$ (2,242)