Note 20 - Parent Only Condensed Financial Statements - Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Total income	$ 42,602	$ 40,174
Salaries and employee benefits	17,400	16,287
Other operating expenses	5,777	5,313
Total non-interest expense	28,847	27,378
Income before equity in undistributed income of subsidiary	16,689	15,347
Income tax benefit	(4,200)	(3,810)
Net income	12,489	11,537
Parent Company [Member]
Dividends declared by subsidiary	2,214	2,117
Total income	2,214	2,117
Salaries and employee benefits	113	110
Employee benefit expense	549	431
Legal expense	53	90
Other operating expenses	102	108
Total non-interest expense	817	739
Income before equity in undistributed income of subsidiary	1,397	1,378
Equity in undistributed net income of subsidiary	10,863	9,919
Income before income tax benefit	12,260	11,297
Income tax benefit	229	240
Net income	$ 12,489	$ 11,537