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Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2015
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, 2015, 2014 and 2013 is as follows (in thousands):
 
 
Year Ended December 31,
 
 
2015
 
2014
 
2013
Stock options:
 
 
 
 
 
 
Incentive Stock Options (share settled)
 
$
243

 
$
573

 
$
310

Non-Qualified Stock Options (share settled)
 
71

 
171

 
222

Restricted stock (share settled)
 
4,303

 
4,504

 
3,684

Cash settled stock units
 
(439
)
 
3,094

 
1,611

Share-based compensation
 
$
4,178

 
$
8,342

 
$
5,827
Schedule of stock option valuation assumptions
The following table outlines the assumptions used in computing the fair value of stock options granted during 2014 and 2013:
    
 
Years Ended December 31,
 
 
2014
 
2013
Dividend yield
 
—%
 
—%
Expected volatility
 
79.4% - 80.0%
 
79.6% - 79.8%
Risk-free rate
 
1.81% - 2.015%
 
0.9% - 1.815%
Expected term
 
6 years
 
6 years
Forfeiture rate
 
5.0%
 
5.0%
Stock options granted (1)
 
69,434
 
395,642
Wgtd. avg. grant date fair value per share
 
$2.84
 
$2.91
Fair value of grants (1)
 
$197,000
 
$1,150,000
 
(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, 2015:
 
 
Number of
Options
 
Wgtd. Avg.
Exercise  Price
 
Wgtd. Avg.
Remaining  Life
 
Aggregate
Intrinsic  Value
(000’s)
Outstanding at beginning of year
 
1,517,704

 
$
6.05

 
 
 
 
Granted
 
—

 
—

 
 
 
 
Expired/cancelled/forfeited
 
(155,680
)
 
5.70

 
 
 
 
Exercised
 
—

 
—

 
 
 
 
Outstanding at end of year
 
1,362,024

 
6.09

 
5.6 years
 
$
—

 
 
 
 
 
 
 
 
 
Options exercisable at end of year
 
1,217,486

 
$
6.33

 
4.4 years
 
$
—

Options expected to vest
 
137,311

 
4.13

 
7.9 years
 
$
—
Schedule of stock option plans, by exercise price range
The following table summarizes information regarding stock options outstanding at December 31, 2015:
 
 
 
 
 
 
 
 
 
 
 
Range of
 
Options
 
Wgtd. Avg.
 
Wgtd. Avg.
 
Options
 
Wgtd. Avg.
Exercise
 
Outstanding
 
Remaining
 
Exercise
 
Exercisable
 
Exercise
Price
 
12/31/2015
 
Contractual Life
 
Price
 
12/31/2015
 
Price
$2.24—$4.48
 
386,908

 
7.8 years
 
$4.13
 
251,701

 
$4.16
$4.49—$6.72
 
220,487

 
5.7 years
 
$5.46
 
211,156

 
$5.48
$6.73—$8.96
 
744,629

 
4.5 years
 
$7.25
 
744,629

 
$7.25
$8.97—$11.20
 
10,000

 
0.1 years
 
$9.99
 
10,000

 
$9.99
 
 
1,362,024

 
5.6 years
 
$6.09
 
1,217,486

 
$6.33
Schedule of restricted stock units activity
The following table details restricted stock activity during the year ended December 31, 2015:
 
 

Number of
Shares
 
Wgtd. Avg.
Fair Value  per
Share
Outstanding at beginning of year
 
2,428,202

 
$
4.37

Granted
 
54,717

 
1.27

Cancelled/forfeited
 
(187,730
)
 
3.88

Lapse of restrictions
 
(1,110,013
)
 
4.27

Outstanding at December 31, 2015
 
1,185,176

 
$
3.81

As of December 31, 2015, the Company had a liability for RSUs and MRSUs outstanding in the amount of $0.2 million based upon the closing stock price at December 31, 2015.
The following table details MRSU and RSU activity during the year ended December 31, 2015:
 
MRSU
RSU
Total
Outstanding at beginning of year
243,067

1,379,261

1,622,328

Granted
—

182,505

182,505

Expired/Cancelled/Forfeited
(139,784
)
(120,438
)
(260,222
)
Vested/Paid
—

(687,704
)
(687,704
)
Outstanding at December 31, 2015
103,283

753,624

856,907