Share-Based Compensation Plans (Tables)

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



	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2016		2015		2016		2015
	(In thousands)
Share-based compensation expense	$	821	$	878	$	1,626	$	2,248

The following table summarizes our stock option activity for the six months ended June 30, 2016:



	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, 2015	3,727		$	6.49
Granted	340		5.04
Exercised	(14	)	4.28
Forfeited or expired	(239	)	6.91
Outstanding at June 30, 2016	3,814		$	6.35	6.06	$	2,743
Fully vested at June 30, 2016 and expected to vest thereafter	3,780		$	6.35	6.04	$	2,718
Exercisable at June 30, 2016	2,735		$	6.74	5.15	$	1,860

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



	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2016			2015			2016			2015
Expected life (in years)	7.6			5.5			6.7			5.7
Risk-free interest rate	1.7		%	1.8		%	1.6		%	1.8		%
Volatility	56		%	43		%	49		%	46		%
Dividend yield	—			—			—			—
Weighted average grant date fair value per option granted	$	3.32		$	2.83		$	2.56		$	3.48

The following table summarizes our restricted share activity for the six months ended June 30, 2016:



	Number of Shares (In thousands)		Weighted Average Grant-Date Fair Value (Per share)
Non-vested at December 31, 2015	385		$	4.78
Awards granted	50		5.66
Awards vested	(165	)	5.06
Awards forfeited	(3	)	4.43
Non-vested at June 30, 2016	267		$	4.77