Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

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

Summary of share-based compensation

A detail of share-based compensation cost for the years ended December 31, 2014, 2013 and 2012 is as follows (in thousands):

	Year Ended December 31,
	2014		2013		2012
Stock options:
Incentive Stock Options	$	573	$	310	$	786
Non-Qualified Stock Options	171		222		660
Restricted stock	4,504		3,684		5,464
Restricted stock units	3,094		1,611		277
Share-based compensation	$	8,342	$	5,827	$	7,187

Schedule of stock option valuation assumptions

The following table outlines the assumptions used in computing the fair value of stock options granted during 2014, 2013 and 2012:

	Years Ended December 31,
	2014	2013	2012
Dividend yield	—%	—%	—%
Expected volatility	79.4% - 80.0%	79.6% - 79.8%	79.2% - 79.6%
Risk-free rate	1.81% - 2.015%	0.9% - 1.815%	0.8% - 1.1%
Expected term	6 years	6 years	6 years
Forfeiture rate	5.0%	5.0%	5.0%
Stock options granted (1)	69,434	395,642	125,487
Wgtd. avg. grant date fair value per share	$2.84	$2.91	$3.71
Fair value of grants (1)	$197,000	$1,150,000	$465,000

(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, 2014:

	Number of Options		Wgtd. Avg. Exercise  Price		Wgtd. Avg. Remaining  Life	Aggregate Intrinsic  Value (000’s)
Outstanding at beginning of year	1,892,493		$	5.67
Granted	69,434		4.13
Expired/cancelled/forfeited	(156,724	)	5.60
Exercised	(287,499	)	3.34
Outstanding at end of year	1,517,704		6.05		6.0 years	$	—
Options exercisable at end of year	1,172,400		$	6.58	5.3 years	$	—
Options expected to vest	328,039		4.27		8.6 years	$	—

Schedule of stock option plans, by exercise price range

The following table summarizes information regarding stock options outstanding at December 31, 2014:

Range of	Options	Wgtd. Avg.	Wgtd. Avg.	Options	Wgtd. Avg.
Exercise	Outstanding	Remaining	Exercise	Exercisable	Exercise
Price	12/31/2014	Contractual Life	Price	12/31/2014	Price
$2.24—$4.48	407,255	8.9 years	$4.14	115,945	$4.18
$4.48—$6.72	355,820	4.0 years	$5.63	301,826	$5.73
$6.72—$8.96	744,629	5.5 years	$7.25	744,629	$7.25
$8.96—$11.20	10,000	1.1 years	$9.99	10,000	$9.99
	1,517,704	6.0 years	$6.05	1,172,400	$6.58

Schedule of restricted stock units activity

As of December 31, 2014, the Company had a liability for RSUs outstanding and expected to vest in the amount of $1.4 million.

The following table details RSU activity during the year ended December 31, 2014:

	Number of Shares
Outstanding at beginning of year	1,273,417
Granted	669,469
Expired/Cancelled/Forfeited	(66,849	)
Vested/Paid	(496,776	)
Outstanding at December 31, 2014	1,379,261

The following table details restricted stock activity during the year ended December 31, 2014:

	Number of Shares		Wgtd. Avg. Fair Value  per Share
Outstanding at beginning of year	1,926,451		$	4.88
Granted	1,599,750		4.32
Expired/cancelled/forfeited	(135,861	)	5.01
Lapse of restrictions	(962,138	)	5.22
Outstanding at December 31, 2014	2,428,202		$	4.37