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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The Company used the Black-Scholes option-pricing model with the following weighted-average assumptions to value options granted in 2013: 
 
 
2013
Dividend yield
 
—
%
Expected volatility
 
77.2
%
Risk-free interest rate
 
1.1
%
Expected option lives
 
6.0 years
Schedule of Share-based Compensation, Stock Options, Activity
The following table presents the activity related to stock options for the nine months ended September 30, 2014 and 2013:
 
Options
 
Weighted-
average
exercise
price
 
Weighted-
average
remaining
contractual
term (years)
 
Aggregate
intrinsic
value (000)
Options outstanding at January 1, 2014
111,571

 
$
38.92

 
6.2
 
$
—

Canceled / forfeited
(18,763
)
 
30.52

 
N/A
 
N/A

Expired
(5,188
)
 
125.83

 
N/A
 
N/A

Options outstanding at September 30, 2014
87,620

 
$
35.67

 
5.9
 
$
—

Options exercisable at September 30, 2014
69,126

 
$
43.50

 
5.3
 
$
—

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Options outstanding at January 1, 2013
139,446

 
$
53.66

 
6.2
 
$
79.4

Granted
5,507

 
6.80

 
9.5
 
—

Exercised
(5,250
)
 
5.70

 
N/A
 
N/A

Canceled / forfeited
(16,193
)
 
128.43

 
N/A
 
N/A

Expired
(10,806
)
 
90.72

 
N/A
 
N/A

Options outstanding at September 30, 2013
112,704

 
$
39.31

 
6.4
 
$
9.9

Options exercisable at September 30, 2013
74,798

 
$
56.16

 
5.3
 
$
6.2
Schedule of Nonvested Restricted Stock Units Activity
The following table presents the activity related to nonvested restricted stock for the nine months ended September 30, 2014:
 
 
Number of
shares
 
Weighted-
average grant
date fair value
per share
Nonvested as of January 1, 2014
354,270

 
$
9.41

Granted
641,879

 
4.80

Vested
(202,993
)
 
5.70

Canceled / forfeited
(7,970
)
 
5.81

Nonvested as of September 30, 2014
785,186

 
$
6.64