Note 13 - Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current taxes:
State	$ 19	$ 7	$ 4
Current taxes	19	7	4
Deferred taxes:
Federal	(3,164)	3,228	(111)
State	(339)	1,928	220
Deferred taxes	(3,503)	5,156	109
Total	$ (3,484)	$ 5,163	$ 113