Note 10 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2024
Effective Income Tax Rate Reconciliation, Percent	(0.003%)	0.001%	(0.002%)	(0.002%)
Income Tax Expense (Benefit)	$ 75	$ (12)	$ 121	$ 79
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 0		0
Effective Income Tax Rate Reconciliation, GILTI, Amount			$ 0	$ 0
Forecast [Member]
Effective Income Tax Rate Reconciliation, Percent					(0.20%)