Share-Based Compensation Arrangements (Tables)

6 Months Ended

Jun. 30, 2014

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

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The fair value of each SAR was estimated as of June 30, 2014 and 2013 using the following assumptions:

	June 30,
	2014		2013
Risk-free interest rate	0.07%-0.69%		0.28%-0.84%
Dividend yield	0.0	%	0.0	%
Expected life (years)	0.7-2.5 years		1.7-3.5 years
Volatility	61.94	%	63.02	%