Note 10 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2024
Effective Income Tax Rate Reconciliation, Percent	(0.20%)	(0.40%)
Income Tax Expense (Benefit)	$ 46	$ 91
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	0
Effective Income Tax Rate Reconciliation, GILTI, Amount	$ 0	$ 0
Forecast [Member]
Effective Income Tax Rate Reconciliation, Percent			(0.30%)