Note 12 - Condensed Financial Statements of Parent Company - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets
Cash and due from banks	$ 8,768	$ 13,147
Interest-bearing deposits	130,021	120,725
Investments in subsidiaries	189,027	189,667
Other assets	16,287	17,688
Total assets	1,702,175	1,519,673
Liabilities and Stockholders’ Equity
Other liabilities	15,789	21,867
Stockholders’ equity	191,751	200,607	$ 183,726
Total liabilities and stockholders’ equity	1,702,175	1,519,673
Parent Company [Member]
Assets
Cash and due from banks	2,324	987
Interest-bearing deposits	0	10,027
Refundable income taxes	647	446
Other assets	847	791
Total assets	192,845	201,918
Liabilities and Stockholders’ Equity
Other liabilities	1,094	1,311
Stockholders’ equity	191,751	200,607
Total liabilities and stockholders’ equity	$ 192,845	$ 201,918