Note 7 - Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

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

	For the Six Months Ended June 30, 2019
						Average
				Weighted-		Remaining
				Average		Contractual
	Shares			Exercise Price		Term (years)
Outstanding, December 31, 2018		164,410		$	14.69	5.8
Granted		1,000			14.63	7.0
Exercised		(7,260	)		9.65	-
Forfeited or expired		(4,800	)		14.90	-
Outstanding, June 30, 2019		153,350		$	14.92	5.5
Exercisable, June 30, 2019		31,430		$	14.91	5.4

	For the Six Months Ended June 30, 2018
						Average
				Weighted-		Remaining
				Average		Contractual
	Shares			Exercise Price		Term (years)
Outstanding, December 31, 2017		207,108		$	14.18	6.2
Granted		5,000			15.48	7.0
Exercised		(15,464	)		9.65	-
Forfeited or expired		(7,734	)		11.08	-
Outstanding, June 30, 2018		188,910		$	14.71	6.2
Exercisable, June 30, 2018		7,260		$	9.65	1.0

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

Grant date stock price	$	14.63
Dividend yield		0.00	%
Expected volatility		19.55	%
Risk-free interest rate		2.63	%
Expected life in years		6

Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

				Weighted		Average
				Average		Remaining
				Grant Date		Contractual
	Shares			Price		Term (years)
	For the Six Months Ended June 30, 2019
Outstanding, December 31, 2018		49,829		$	14.90		4.0
Granted		-			-
Vested		(85	)	$	15.48
Forfeited or expired		(1,200	)	$	14.90
Outstanding, June 30, 2019		48,544		$	14.90		3.5

	For the Six Months Ended June 30, 2018
Outstanding, December 31, 2017		74,750	$	14.90	4.9
Granted		429		15.48	5.0
Vested		-		-
Forfeited or expired		-		-
Outstanding, June 30, 2018		75,179	$	14.90	4.5