Note 11 - Income Taxes - Provisions (Benefits) for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Federal			$ 3,935	$ 254
State			224	196
Total current			4,159	450
Federal			2,234	4,351
State			1,057	764
Valuation allowance				(897)
Total deferred			3,291	4,218
Total, amount	$ 2,072	$ 2,384	$ 7,450	$ 4,668