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12. Shareholders' Deficit (Tables)
9 Months Ended
Sep. 30, 2012
Shareholders Deficit Tables  
Stock Options- Assumptions

The following assumptions were used for the Black Scholes calculation to determine this expense:

 

Estimated fair value of underlying common stock     $0.35 - $0.38  
Remaining life     5.0  
Risk-free interest rate     0.69% - 0.80%  
Expected volatility     80% - 89%  
Dividend yield      

 

Stock Options - Activity

The following table sets forth the activity of our stock options:

 

    Options Outstanding     Options Exercisable  
          Range of     Weighted Average Remaining     Weighted Average           Weighted Average Remaining     Weighted Average  
    Options     Exercise     Life in     Exercise     Options     Life in     Exercise  
    Outstanding     Prices     Years     Price     Exercisable     Years     Price  
As of December 31, 2010     10,269,852       $0.14 - $3.50       2.4     $ 0.94       8,512,684       2.0     $ 0.94  
Cancelled     (3,110,000 )               $ 0.43       (3,110,000 )         $ 0.00  
Exercised                                                        
Granted     5,010,000     $ 0.54       5.0     $ 0.54       3,355,000       5.0     $ 0.54  
As of December 31, 2011     12,169,852        $0.14 - $1.50       3.2     $ 0.49       8,757,684       3.2     $ 0.40  
Cancelled     (7,276,329 )                       (4,660,994 )            
Exercised                                          
Granted     3,050,000       $0.35 - $0.38       4.8     $ 0.36       734,333       4.8     $ 0.36  
As of September 30, 2012     7,943,523        $0.35 -$0.54       3.6     $ 0.46       4,831,023       2.9     $ 0.50  

 

Warrants -Assumptions

The following assumptions were used for the Black Scholes calculation to determine this expense:

 

Estimated fair value of underlying common stock     $0.38 - $0.75  
Remaining life     5.0  
Risk-free interest rate     0.74% - 1.80%  
Expected volatility     84% - 132%  
Dividend yield      

 

Warrants - Summary

A summary of the warrants:

 

    Warrants Outstanding     Warrants Exercisable  
          Range of     Weighted 
Average Remaining
    Weighted Average           Weighted  Average Remaining     Weighted Average  
    Warrants     Exercise     Life in     Exercise     Warrants     Life in     Exercise  
    Outstanding     Prices     Years     Price     Exercisable     Years     Price  
As of December 31, 2010     2,472,676       $1.00 - $2.00       4.4     $ 1.37       2,472,676       4.4     $ 1.37  
Exercised                                          
Granted     57,057,569       $0.65 - $1.00       4.5     $ 0.75       57,057,569       4.5     $ 0.75  
As of December 31, 2011     59,530,245       $0.65 - $2.00       3.5     $ 2.00       59,530,245       3.5     $ 2.00  
Exercised                                          
Ratchet-down impact     56,991,667     $ 0.30           $ 0.30       56,991,667           $ 0.30  
Granted     14,363,330       $0.30 - $0.40       4.6     $ 0.40       6,488,330       4.6     $ 0.40  
As of September 30, 2012     130,885,242       $0.30 - $2.00       3.7     $ 0.40       123,010,242       3.7     $ 0.40

 

 

Calculations of the ratchet-down impact

Calculations of the ratchet-down impact:

 

       Original    After Ratchet Down  
      Shares  x       Strike  =      

Aggregate Exercise

Price

      Shares  x       Strike  =       Aggregate Exercise
Price
 
                                                 
Series A warrants     21,750,000     $ 0.65     $ 14,137,500       47,125,000     $ 0.30     $ 14,137,500  
Series B warrants     10,875,000     $ 1.00     $ 10,875,000       36,250,000     $ 0.30     $ 10,875,000  
Placement agent warrant     3,600,000     $ 0.65     $ 2,340,000       7,800,000     $ 0.30     $ 2,340,000  
Broker-dealer warrant     1,000,000     $ 0.65     $ 650,000       2,166,667     $ 0.30     $ 650,000  
Advisory warrant     750,000     $ 0.65     $ 487,500       1,625,000     $ 0.30     $ 487,500  
      37,975,000                       94,966,667