Note K - Other Income and Expenses - Other Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Advertising	$ 529	$ 557	$ 538
Data processing	1,356	1,355	1,289
FDIC and state banking assessments	374	248	424
Legal and accounting	714	449	422
Other real estate	553	1,254	740
ATM expense	697	585	582
Trust expense	368	304	307
Other	1,807	1,699	1,873
Totals	$ 6,398	$ 6,451	$ 6,175