Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2016

Summary of Restricted Stock Award Activity

The following table summarizes restricted stock awards and performance stock awards activity issued under the 2014 Plan for the year ended December 31, 2016:



	Restricted Stock Awards				Performance Stock Awards
	Number of Shares		Weighted Average Grant Date Fair Value		Number of Target Shares		Weighted Average Grant Date Fair Value
Unvested restricted stock awards, January 1, 2016	586,488		$	7.82	234,138		$	9.81
Granted	246,020		$	12.01	202,442		$	11.63
Vested	(272,597	)	$	7.06	(79,636	)	$	5.82
Forfeited	(27,617	)	$	11.11	(24,852	)	$	11.75
Unvested restricted stock awards, December 31, 2016	532,294		$	9.98	332,092		$	11.73

Stock Options and Stock Appreciation Rights Granted and Exercised

The following table represents information about stock options and stock appreciation rights exercised in each year.



	Year Ended December 31,
	2016		2015		2014
	(amounts in thousands)
Total intrinsic value of options exercised	$	1,323	$	1,610	$	695

Summary of Share Option Plans Activities

The following table summarizes the Company’s activities with respect to all of its share option plans (issued under the 2014 Plan and the 1999 Plan) for the year ended December 31, 2016:



	Number of Shares		Option Price	Weighted Average Exercise Price	Weighted- Average Remaining Contractual Life (in years)	Aggregate Intrinsic Value (amounts in thousands)
Share options outstanding at beginning of year	395,625		$4.16-$22.50	$6.28
Granted	—		—	—
Exercised	(195,312	)	$4.35-$8.56	$6.08
Forfeited/expired	(12,100	)	$5.21-$22.50	$17.97
Share options outstanding at end of year	188,213		$4.16-$22.50	$5.72	2.62	$	1,870
Share options exercisable at end of year	137,087		$4.16-$22.50	$5.90	2.33	$	1,341
Share options unvested at end of year	51,126		$4.92-$5.61	$5.26	3.40	$	529