Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

A summary of the Company’s stock option activity for the nine months ended September 30, 2017 is as follows:

			Weighted Average		Weighted Average	Aggregate
	Number of		Exercise Price		Remaining	Intrinsic
	Shares		Per Share		Contractual Life	Value(1)
Outstanding, December 31, 2016		160	$	12.76	9.2 years	$	1,907
Granted		121	$	18.87
Exercised		(3)	$	13.82
Forfeited		-
Outstanding, September 30, 2017		278	$	15.40	8.9 years	$	875
Exercisable, September 30, 2017		56	$	12.61	8.4 years	$	320

(1) The aggregate intrinsic value on this table was calculated based on the amount, if any, by which the closing market value of the Company’s stock on September 30, 2017 ($18.30) exceeded the exercise price of the underlying options, multiplied by the number of shares subject to each option.

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

A summary of the Company’s stock unit award activity for the nine months ended September 30, 2017 is as follows:

			Weighted		Weighted
	Number of		Average Price		Average Fair
	Shares		per Share  (2)		Value  (2)
Outstanding & Unvested, December 31, 2016		74	$	14.62	$	1,077
Granted		13	$	18.87	$	236
Converted to common stock		(30)
Cancelled		(10)
Forfeited		(15)
Outstanding & Unvested, September 30, 2017		32	$	16.08	$	516

(2) Weighted average price per share is the weighted grant price based on the closing market price of each of the stock grants related to each grant of stock unit awards. The weighted average fair value is the weighted average share price times the number of shares.