Note 13 - Income Taxes - Provision (Credit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Continuing Operations, Provision (Credit) for Current Taxes - Federal	$ 6,416	$ 3,681	$ 977
Continuing Operations, Provision (Credit) for Deferred Taxes	(336)	(402)	1,458
Adjustment to Deferred Taxes for Enactment of 21% Federal Statutory Rate on December 22, 2017			1,668
Provision for Income Taxes	$ 6,080	$ 3,279	$ 4,103

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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