Share-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2013

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

Employee service share based compensation allocation of recognized period

The following table presents share-based compensation expense attributable to stock options and restricted shares:

	For the Year Ended December 31,
	2013		2012		2011
	(In thousands)
Stock options	$	883	$	1,160	$	2,025
Restricted shares	2,088		1,560		2,985
Total share-based compensation expense	$	2,971	$	2,720	$	5,010

The following table presents share-based compensation expense included in the Consolidated Statements of Income:

	For the Year Ended December 31,
	2013		2012		2011
	(In thousands)
Selling, general and administrative	$	2,591	$	2,368	$	4,363
Research and development	380		352		647
Total share-based compensation expense	$	2,971	$	2,720	$	5,010

Summary of awards termination dates and shares available for grant

A summary of the stock plans, the respective plan termination dates and shares available for grant as of December 31, 2013, is shown below:

Stock Plans	Amended and Restated 2007 Equity Incentive Plan	2003 Inducement Plan
Contractual life (years)	10	10
Plan termination date	Board of Directors Discretion	Board of Directors Discretion
Shares available for grant at December 31, 2013 (in thousands)	11,580	471

Summary of all common stock option activity

The following table summarizes our stock option activity for the year ended December 31, 2013:

	Number of Shares (In thousands)	Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value (In thousands)
Outstanding at December 31, 2012	4,893	$	9.52
Granted	2,085	4.39
Exercised	(96)	4.65
Forfeited or expired	(2,009)	11.69
Outstanding at December 31, 2013	4,873	$	6.52	5.74	$	4,661
Fully vested at December 31, 2013 and expected to vest thereafter	4,834	$	6.54	5.71	$	4,594
Exercisable at December 31, 2013	2,688	$	8.22	2.70	$	926

Assumptions used in valuing the weighted average fair values of the options granted

The following assumptions were used to calculate weighted average fair values of the options granted:

	For the Year Ended December 31,
	2013			2012			2011
Expected life (in years)	6.2			6.0			6.2
Risk-free interest rate	1.7		%	1.0		%	2.4		%
Volatility	60		%	65		%	67		%
Dividend yield	—			—			—
Weighted average grant date fair value per option granted	$	2.49		$	2.68		$	4.06

Restricted share activity

The following table summarizes our restricted share activity for the year ended December 31, 2013:

	Number of Shares (In thousands)		Weighted Average Grant Date Fair Value (Per Share)
Nonvested at December 31, 2012	816		$	5.61
Awards granted	750		4.50
Awards vested	(277	)	6.19
Awards forfeited	(117	)	4.92
Nonvested at December 31, 2013	1,172		$	4.83