Stock Based Compensation (Tables)

9 Months Ended

Sep. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

Activity under the Company’s options as of and for the nine months ended September 30, 2018 was as follows:

					Weighted-
					Average
			Weighted-		Remaining
	Number of		Average		Contractual
	Stock		Exercise		Term	Aggregate
	Options		Price		(in years)	Intrinsic Value
Outstanding at December 31, 2017	299,778		$	6.18
Granted	-
Exercised	(102,378	)		5.12
Forfeited/cancelled/expired	(1,323	)		14.24
Outstanding at September 30, 2018	196,077			6.68	1.8	$	3,346,546
Exercisable at September 30, 2018	196,077		$	6.68	1.8	$	3,346,546

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

Activity under the Company’s restricted shares as of and for the nine months ended September 30, 2018 was as follows:

			Weighted-
			Average
	Nonvested		Grant Date
	Shares		Fair Value
Nonvested at December 31, 2017	103,078		$	20.41
Granted	23,018			28.08
Vested	(58,002	)		20.33
Forfeited/cancelled/expired	(666	)		24.25
Nonvested at September 30, 2018	67,428			23.07

Schedule of Unearned Performance Unit Awards [Table Text Block]

A summary of the status of unearned performance unit awards and the change during the period is presented in the table below:

				Weighted
				Average Grant
	Units		Units	Date Fair
	(expected)		(maximum)	Value
Unearned at December 31, 2017	151,194			$	19.19
Awarded	19,614				31.35
Change in Estimate	(15,172	)
Vested	(69,627	)			19.46
Unearned at September 30, 2018	86,009		151,772	$	22.06

Schedule of Unearned Restricted Unit Awards [Table Text Block]

A summary of the status of unearned restricted stock units and the change during the period is presented in the table below:

		Weighted
		Average Grant
	Units	Date Fair
	(expected)	Value
Unearned at December 31, 2017	-	$	-
Awarded	29,423		31.35
Forfeited	-		-
Vested	-		-
Unearned at September 30, 2018	29,423	$	31.35