Note 11 - Income Taxes - Schedule of Income Before Income Taxes (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
United States		$ (4,033)	$ (4,357)
Foreign		0	0
Loss before income taxes	[1]	$ (4,033)	$ (4,357)

[1] Other income (expense) for our segments includes interest expense and non-operating income. Corporate other income includes interest income on our cash and cash equivalents.