Note 12 - Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Income tax benefit	$ (673)	$ (641)	$ (2,316)	$ (2,194)
Effective tax rate	24.60%	24.00%	24.60%	24.00%