Note 13 - Income Taxes - Income Tax Provisions (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Federal:
Federal tax provision, current	$ 1,326	$ 2,410
Federal tax provision, deferred	617	197
Total federal tax provision	1,943	2,607
State and Local:
State and local tax provision, current	156	190
State and local tax provision, deferred	188	153
Total state and local tax provision	344	343
Total income tax provision	$ 2,287	$ 2,950