Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Expense (Benefit), Total	$ 2,599	$ (1,997)	$ 976	$ (417)
Effective Income Tax Rate Reconciliation, Percent, Total	28.50%	20.60%	9.40%	17.90%
Effective Income Tax Rate Reconciliation,Change in Fair Value of Business Acquisition Contingent Consideration Liabilities, Amount	$ 700		$ 1,100