Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

			Three Months Ended				Six Months Ended
			June 30,				June 30,
			2012		2011		2012		2011
Weighted average number of shares of common stock outstanding — basic			23,293,228		22,799,816		23,205,628		22,755,651
Effect of dilutive share-based awards			725,888		―		728,032		455,774
Weighted average number of shares of common stock outstanding — diluted			24,019,116		22,799,816		23,933,660		23,211,425
Earnings (loss) per share:
	Basic	$	0.23	$	(0.02)	$	0.40	$	0.05
	Diluted	$	0.23	$	(0.02)	$	0.39	$	0.05