Note 19 - Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Federal income tax expense, current	$ 2,732	$ 773
Federal income tax expense, deferred	47	292
Federal income tax expense, total	2,779	1,065
State income tax expense, current	2,126	1,733
State income tax expense, deferred	107	303
State income tax expense, total	2,233	2,036
Affordable housing partnership amortization, current	491	528
Income tax expense, current	5,349	3,034
Income tax expense, deferred	154	595
Income tax expense, total	$ 5,503	$ 3,629