Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

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

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

	Year ended December 31,
	2013		2012		2011
Expected option term	6.8 years		6.7 years		6.8 years
Expected volatility		56.5%		57.8%		62.5%
Risk-free interest rate		0.8%		0.8%		2.0%
Dividend yield		3.1%		-%		-%

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

	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at December 31, 2012		849,961	$	8.19
Granted		129,000		7.94
Exercised		(206,111)		5.45
Forfeited		(2,000)		6.70
Cancelled		(52,375)		14.24
Outstanding at December 31, 2013		718,475	$	8.49	6.2 years	$	3,349,000
Options exercisable at December 31, 2013		388,650	$	9.26	4.6 years	$	1,717,000
Options vested or expected to vest		699,575	$	8.52	6.1 years	$	3,255,000