Note 11 - Stock Awards (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

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

	2018			2017
Risk-free interest rate		2.77	%		2.23	%
Expected term (in years)		7.5			7.5
Expected stock price volatility		28.3	%		25.4	%
Dividend yield		1.50	%		1.50	%

Share-based Compensation, Stock Options, Activity [Table Text Block]

	Six Months Ended
	June 30 , 2018				June 30 , 2017
	Number of Shares		Average Exercise Price		Number of Shares		Average Exercise Price
Options:
Outstanding, beginning of period		318,000	$	9.43		272,550	$	8.21
Granted		62,150		11.71		68,600		13.91
Exercised		—		—		19,316		8.15
Expired		—		—		—		—
Forfeited		1,450		11.05		3,333		11.79
Options outstanding, end of period		378,700	$	9.80		318,501	$	9.41
Options exercisable, end of period		249,300	$	8.71		208,633	$	8.20