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Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2016
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, 2016, 2015 and 2014 is as follows (in thousands):
 
 
Year Ended December 31,
 
 
2016
 
2015
 
2014
Stock options:
 
 
 
 
 
 
Incentive Stock Options (share settled)
 
$
206

 
$
243

 
$
573

Non-Qualified Stock Options (share settled)
 
164

 
71

 
171

Restricted stock (share settled)
 
1,073

 
4,303

 
4,504

Cash settled stock units
 
244

 
(439
)
 
3,094

Share-based compensation
 
$
1,687

 
$
4,178

 
$
8,342
Schedule of stock option valuation assumptions
The following table outlines the assumptions used in computing the fair value of stock options granted during 2016 and 2014:    
 
Years Ended December 31,
 
2016
 
2014
Dividend yield
—%
 
—%
Expected volatility
62.0%-79.99%
 
79.4% - 80.0%
Risk-free rate
1.255%-2.09%
 
1.81% - 2.015%
Expected term
6 years
 
6 years
Forfeiture rate
5.0%
 
5.0%
Stock options granted (1)
1,168,754
 
17,359
Wgtd. avg. grant date fair value per share
$1.96
 
$11.36
Fair value of grants (1)
$2,293,000
 
$197,000
 
(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, 2016:
 
 
Number of
Options
 
Wgtd. Avg.
Exercise  Price
 
Wgtd. Avg.
Remaining  Life
 
Aggregate
Intrinsic  Value
(000’s)
Outstanding at beginning of year
 
340,492

 
$
24.38

 
 
 
 
Granted
 
1,168,754

 
3.33

 
 
 
 
Expired/cancelled/forfeited
 
(96,306
)
 
22.01

 
 
 
 
Exercised
 
—

 
—

 
 
 
 
Outstanding at end of year
 
1,412,940

 
7.13

 
8.74
 
$
186

 
 
 
 
 
 
 
 
 
Options exercisable at end of year
 
256,013

 
$
24.11

 
4.73
 
$
—

Options expected to vest
 
1,355,094

 
7.29

 
8.71
 
$
176
Schedule of stock option plans, by exercise price range
The following table summarizes information regarding stock options outstanding at December 31, 2016:
 
 
 
 
 
 
 
 
 
 
 
Range of
 
Options
 
Wgtd. Avg.
 
Wgtd. Avg.
 
Options
 
Wgtd. Avg.
Exercise
 
Outstanding
 
Remaining
 
Exercise
 
Exercisable
 
Exercise
Price
 
12/31/2016
 
Contractual Life
 
Price
 
12/31/2016
 
Price
$0.00-$2.49
 
66,373

 
9.20
 
$2.37
 


 
—

$2.50-$3.49
 
878,833

 
9.74
 
$3.17
 


 
—

$3.50-$4.99
 
206,769

 
9.38
 
$4.26
 


 
—

$15.00-$30.32
 
260,965

 
4.77
 
$23.94
 
256,013

 
$24.11
 
 
1,412,940

 
8.74
 
$7.13
 
256,013

 
$24.11
Schedule of restricted stock units activity
The following table details restricted stock activity during the year ended December 31, 2016:
 
 

Number of
Shares
 
Wgtd. Avg.
Fair Value  per
Share
Outstanding at beginning of year
 
296,259

 
$
16.32

Granted
 
—

 
—

Cancelled/forfeited
 
(67,672
)
 
16.97

Lapse of restrictions
 
(150,030
)
 
15.90

Outstanding at December 31, 2016
 
78,557

 
$
16.57

The following table details MRSU and RSU activity during the year ended December 31, 2016:
 
MRSU
RSU
Total
Outstanding at beginning of year
25,821

188,337

214,158

Granted
—

—

—

Expired/Cancelled/Forfeited
(2,285
)
(44,897
)
(47,182
)
Vested/Paid
(8,607
)
(111,461
)
(120,068
)
Outstanding at December 31, 2016
14,929

31,979

46,908