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Stockholder's Equity (Tables)
9 Months Ended
Sep. 30, 2012
Warrant Activity

The following table sets forth our warrant activity during the period presented.

 

    Nine Months Ended  
    September 30, 2012  
          Weighted-  
    Number     Average  
    of Shares     Exercise  
    Issuable     Price  
Outstanding – January 1, 2012     5,452,141     $ 1.18  
Granted during the period     20,599,342       0.67  
Expired during the period     (147,500 )     2.25  
Exercised during the period     -       -  
Outstanding – September 30, 2012     25,903,983     $ 0.77  
                 
Exercisable at end of period     25,759,983     $ 0.77
Stock Option Activity

The following table summarizes our stock option activity for the period presented:

 

  Nine Months Ended 
  September 30,2012 
     Weighted- 
  Number  Average 
  of Shares  Exercise 
  Issuable  Price 
Outstanding – January 1, 2012  5,886,261  $1.11 
Granted during the period  300,000   0.72 
Exercised during the period  -   - 
Cancelled during the period  (426,136)  1.11 
Outstanding – September 30, 2012  5,760,125  $1.11 
         
Exercisable at September 30, 2012  3,503,567  $1.04 

 

Options Outstanding

The following table summarizes options outstanding at September 30, 2012:

 

  Number
of Shares
Issuable
  Weighted-
Average
Exercise
Price
  Weighted-
Average
Remaining
Term (Years)
  Aggregate
Intrinsic
Value
 
Total shares issuable upon exercise  5,760,125  $1.11   3.4  $290,332 
Options exercisable  3,503,567   1.04   3.3   84,583 
Options not vested  2,256,558   1.21   3.6   205,749