Note 21 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Share-based Payment Arrangement, Option, Activity [Table Text Block]

	2019			2018			2017
Outstanding, beginning of year		93,069			63,503			33,352
Granted		33,853			31,267			30,151
Exercised		-			-			-
Forfeited		(9,275	)		(1,701	)		-
Outstanding, end of year		117,647			93,069			63,503
Weighted average exercise price at end of year	$	21.81		$	21.39		$	20.45

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2019			2018			2017
Weighted-average fair value of options granted	$	7.77		$	7.87		$	7.35
Average dividend yield		2.26	%		2.18	%		2.23	%
Expected volatility		40.00	%		40.00	%		40.00	%
Rick-free interest rate		1.93	%		2.81	%		2.06	%
Expected term (years)		7			7			7
Shares Granted		33,853			31,267			30,151
Exercise Price	$	22.97		$	23.30		$	21.70