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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2012
Stock-Based Compensation [Abstract]  
Summary of stock option activity
                         
    Stock Options  
    Number
of Shares
    Exercise Price
Per Share
    Weighted-
Average
Exercise Price
Per Share
 

Outstanding at December 31, 2011

    4,423,335     $ 0.13 - $0.62     $ 0.31  

Granted

    1,625,000       0.11 - 0.21       0.11  

Canceled/forfeited

    (822,000     0.13 - 0.49       0.32  
   

 

 

   

 

 

   

 

 

 

Outstanding at June 30, 2012

    5,226,335     $ 0.11 - $0.62     $ 0.25  
   

 

 

                 
Options outstanding
                                     

Range of Exercise Prices

  Outstanding at
September 30,
2012
    Weighted-
Average
Remaining
Contractual
Life
  Weighted-
Average
Exercise
Price
    Exercisable at
September 30,
2012
    Weighted-
Average
Exercise
Price
 

$0.01 - 0.19

    2,180,000     6.3   $ 0.12       439,722     $ 0.17  

  0.20 - 0.29

    1,131,335     4.8   $ 0.26       795,363     $ 0.26  

  0.30 - 0.39

    1,207,500     4.9   $ 0.35       818,611     $ 0.35  

   0.40-0.49

    697,500     5.3   $ 0.46       697,500     $ 0.46  

   0.60-0.69

    10,000     1.0   $ 0.62       10,000     $ 0.62  
   

 

 

               

 

 

         
      5,226,335     5.5   $ 0.25       2,761,196     $ 0.32