Share-Based Compensation Arrangements (Tables)

9 Months Ended

Sep. 30, 2013

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 September 30, 2013 and 2012 using the following assumptions:

	September 30, 2013		September 30, 2012
Risk-free interest rate	0.18%-0.73%		0.25%-0.49%
Dividend yield	0.0	%	0.0	%
Expected life (years)	1.4-3.3 years		2.4-4.3 years
Volatility	61.31	%	65.55	%