Note 11 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Effective Income Tax Rate Reconciliation, Percent, Total	7.30%	6.90%	5.60%	5.40%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%		21.00%	21.00%
Cadillac Jack [Member]
Business Combination, Indemnification Assets, Change in Amount			$ 0.1