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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of valuation assumptions
 
 
2013
 
2012
Weighted average grant date fair value
 
$
1.26

 
$
1.01

Weighted average assumptions used:
 
 
 
 
Expected volatility
 
75.8
%
 
77.7
%
Expected lives (years)
 
6.2

 
6.2

Risk free interest rate
 
1.7
%
 
1.0
%
Forfeiture rate
 
20.5
%
 
20.5
%
Dividend rate
 
—

 
—
Summary of stock option activity
A summary of stock option activity is as follows:
 
Options
(thousands)
 
Weighted-Average Exercise Price
Outstanding at December 31, 2011
739

 
$
6.72

Granted
100

 
1.49

Forfeited
(33
)
 
5.11

Cancelled
(14
)
 
10.65

Exercised
—

 
—

Outstanding at December 31, 2012
792

 
6.06

Granted
284

 
1.88

Forfeited
(113
)
 
2.88

Cancelled
(208
)
 
6.99

Exercised
(5
)
 
0.93

Outstanding at December 31, 2013
750

 
4.74

Exercisable at December 31, 2013
400

 
$
6.66
Summary of outstanding and exercisable options
The following table summarizes information concerning outstanding and exercisable options at December 31, 2013:
 (in thousands)
 
Options Outstanding
 
Options Exercisable
Range of Exercise Price
 
Number Outstanding
 
Weighted Average Outstanding Contractual Life
 
Weighted Average Exercise Price
 
Number Exercisable
 
Weighted Average Exercise Price
Under $1.00
 
53

 
1.3
 
$
0.93

 
53

 
$
0.93

$1.00 - $2.00
 
335

 
9.4
 
$
1.82

 
42

 
$
1.83

$2.01 - $3.00
 
—

 
0.0
 
$
—

 
—

 
$
—

$3.01 - $4.00
 
1

 
7.6
 
$
3.72

 
—

 
$
3.72

$4.01 - $5.00
 
39

 
6.6
 
$
4.26

 
24

 
$
4.26

$5.01 - $6.00
 
98

 
3.5
 
$
5.55

 
97

 
$
5.56

$6.01 - $7.00
 
91

 
6.2
 
$
6.13

 
55

 
$
6.14

Greater than $7.01
 
133

 
4.1
 
$
12.22

 
129

 
$
12.08
Summary of restricted stock options activity
A summary of RSU activity is as follows:
 
RSUs

Weighted-Average Grant Date Fair Value
Outstanding at December 31, 2011
6


$
21.45

Forfeited
—


—

Converted to common stock
(2
)

21.53

Outstanding at December 31, 2012
4


21.40

Granted
50

 
1.99

Forfeited
(1
)
 
21.63

Converted to common stock
(2
)
 
21.32

Outstanding at December 31, 2013
51

 
2.40

Vested and convertible to common stock at December 31, 2013
15

 
$
2.15