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Employee Benefits (Tables)
6 Months Ended
Jun. 30, 2012
Options
 
Stock-Based Compensation  
Schedule of option activity

 

 

 
  Number of
Options
  Weighted
Average
Exercise Price
  Weighted
Average
Remaining
Contractual
Term (Years)
 

Balance at December 31, 2011

    709,550   $ 9.82     4.28  

Expired

             

Forfeited

    (14,966 )   6.04      

Cancelled

    (11,388 )   13.74      

Exercised

             

Granted

    217,000     0.84      
                   

Balance at June 30, 2012

    900,196   $ 7.60     4.06  
                   

Exercisable at June 30, 2012

    310,627   $ 15.10     2.41  
                   
Schedule of non-vested activity

 

 

 
  Number of
Shares
  Weighted
Average
Grant-Date Fair
Value per Share
 

Total non-vested at December 31, 2011

    406,436   $ 3.70  

Granted

    217,000     0.58  

Vested

    (18,901 )   5.72  

Forfeited

    (14,966 )   12.33  
             

Total non-vested at June 30, 2012

    589,569   $ 2.45  
             
Restricted stock
 
Stock-Based Compensation  
Schedule of non-vested activity

 

 

 
  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

    (58,036 )   9.28  

Forfeited

    (10,995 )   8.97  
             

Total non-vested at June 30, 2012

    660,168   $ 3.33