Note 13 - Stock Awards (Tables)

9 Months Ended

Sep. 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]

	Nine Months Ended
	September 30 , 2018				September 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		70,600		13.84
Exercised		500		8.12		19,316		8.15
Expired		—		—		—		—
Forfeited		1,700		11.15		3,334		11.79
Options outstanding, end of period		377,950	$	9.80		320,500	$	9.42
Options exercisable, end of period		249,467	$	8.72		208,633	$	8.20