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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

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

The following table summarizes all stock-based compensation charges for the year ended December 31, 2012, 2011 and 2010 (in thousands):



	Twelve Months Ended
	December 31,
	2012		2011			2010
Stock-based compensation expense	$	4,317	$	7,805		$	5,962
Stock-based compensation associated with outstanding repriced options	17		(463		)	394
Total stock-based compensation	$	4,334	$	7,342		$	6,356

Schedule of assumptions used to estimate the fair value of options and restricted stock units

The Company used the following assumptions:



	Twelve Months Ended
	December 31,
	2012		2011		2010
Dividend yield	—		—		—
Expected volatility	55%-58%		50%-60%		51%-52%
Risk-free interest rate	.60%-1.09%		.94%-2.14%		1.20%-2.30%
Expected life of options (in years)	4.25-4.50		4.50-5.00		4.50-4.75
Weighted-average grant date fair value	$	4.07	$	6.96	$	5.96

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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