Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

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

Summary of share-based compensation

A detail of share-based compensation expense for the periods ended December 31, 2013, 2012 and 2011 is as follows (in thousands):

	Year Ended December 31,
	2013		2012		2011
Stock options:
Incentive Stock Options	$	310	$	786	$	493
Non-Qualified Stock Options	222		660		703
Restricted stock	3,684		5,464		3,637
Restricted stock units	1,611		277		—
Share-based compensation	$	5,827	$	7,187	$	4,833

Schedule of stock option valuation assumptions

The following table outlines the assumptions used in computing the fair value of stock options granted during 2013, 2012 and 2011:

	Years Ended December 31,
	2013		2012		2011
Dividend yield	—%		—%		—%
Expected volatility	79.6% - 79.8%		79.2% - 79.6%		78.5% - 79.7%
Risk-free rate	0.9% - 1.815%		0.8% - 1.1%		1.1% - 2.2%
Expected term	6 years		6 years		6 years
Forfeiture rate	5.0%		5.0%		5.0%
Stock options granted (1)	395,642		125,487		395,280
Wgtd. avg. grant date fair value per share	$	2.91	$	3.71	$	5.09
Fair value of grants (1)	$	1,150,000	$	465,000	$	2,011,000

(1) Prior to applying estimated forfeiture rate

Schedule of stock options activity

The following table details stock option activity during the year ended December 31, 2013:

	Number of Options		Wgtd. Avg. Exercise  Price		Wgtd. Avg. Remaining  Life	Aggregate Intrinsic  Value (000’s)
Outstanding at beginning of year	1,924,941		$	5.61
Granted	395,642		4.22
Expired/cancelled/forfeited	(120,090	)	7.22
Exercised	(308,000	)	2.81
Outstanding at end of year	1,892,493		5.67		5.8 years	$	360
Options exercisable at end of year	1,317,795		$	5.99	4.3 years	$	324
Options expected to vest	545,963		4.95		9.1 years	$	34

Schedule of stock option plans, by exercise price range

The following table summarizes information regarding stock options outstanding at December 31, 2013:

Range of	Options	Wgtd. Avg.	Wgtd. Avg.	Options	Wgtd. Avg.
Exercise	Outstanding	Remaining	Exercise	Exercisable	Exercise
Price	12/31/2013	Contractual Life	Price	12/31/2013	Price
$2.24—$4.48	684,141	5.4 years	$3.75	316,499	$3.26
$4.48—$6.72	389,320	5.1 years	$5.64	275,997	$5.78
$6.72—$8.96	809,032	6.5 years	$7.26	715,299	$7.22
$8.96—$11.20	10,000	2.1 years	$9.99	10,000	$9.99
	1,892,493	5.8 years	$5.67	1,317,795	$5.99

Schedule of restricted stock units activity

The following table details restricted stock activity during 2013:

	Number of Shares		Wgtd. Avg. Fair Value  per Share
Outstanding at beginning of year	1,805,829		$	6.28
Granted	1,078,000		4.18
Expired/cancelled/forfeited	(186,926	)	5.85
Lapse of restrictions	(770,452	)	6.95
Outstanding at December 31, 2013	1,926,451		$	4.88

As of December 31, 2013, the Company had a liability for RSUs outstanding and expected to vest in the amount of $0.3 million and an intrinsic value on all RSUs outstanding of $5.5 million.

	Number of Shares
Outstanding at beginning of year	1,096,158
Granted	703,777
Expired/Cancelled/Forfeited	(141,378	)
Vested/Paid	(385,140	)
Outstanding at December 31, 2013	1,273,417