Note 6 - Income Taxes (Details Textual) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Percent	6.90%	9.50%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		21.00%
Unrecognized Tax Benefits	$ 1,480		$ 1,480
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 0