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Employee Benefits (Tables)
12 Months Ended
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of weighted average assumptions
The following weighted-average assumptions were made in estimating fair value:
 
 
2012
 
2011
 
2010

Dividend Yield
0
%
 
0
%
 
0
%
 
Risk-Free Interest Rate
0.65
%
 
1.49
%
 
1.40
%
 
Expected Life (Years)
4.1

 
6.0

 
6.0

 
Expected Volatility
90.36
%
 
75.99
%
 
80.13
%
 
 
Options
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of option activity
A summary of the status of the Company's common stock option awards is presented in the table below:
 
 
Number of
Shares
 
Weighted
Average
Exercise Price
 
Weighted
Average
Remaining
Contractual
Term (Years)
Balance at December 31, 2011
709,550

 
$
9.82

 
 
Granted
217,000

 
0.65

 
 
Exercised

 

 
 
Forfeited
(54,966
)
 
6.99

 
 
Cancelled
(25,708
)
 
14.81

 
 
Expired

 

 
 
Balance at December 31, 2012
845,876

 
$
7.50

 
4.73

Exercisable at December 31, 2012
435,142

 
$
11.98

 
2.67

Schedule of non-vested activity
A summary of the status of the Company's non-vested stock options as of December 31, 2012, and changes during the year ended December 31, 2012 are presented below:
 
 
Number of
Shares
 
Weighted
Average
Grant-Date Fair
Value
per Share
Non-vested at December 31, 2011
406,436

 
$
3.70

Granted
217,000

 
0.45

Vested
(157,736
)
 
3.84

Forfeited
(54,966
)
 
4.34

Expired

 

Non-vested at December 31, 2012
410,734

 
$
1.85

Restricted stock
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of non-vested activity
Restricted stock awards activity for 2012 is summarized below:
 
 
Number of
Shares of
Restricted
Stock
 
Weighted
Average
Grant-Date
Fair Value
per Share
Total non-vested at December 31, 2011
299,199

 
$
8.44

Granted
430,000

 
0.72

Vested
(181,069
)
 
8.90

Forfeited
(29,160
)
 
6.69

Total non-vested at December 31, 2012
518,970

 
$
1.98