Quarterly report pursuant to Section 13 or 15(d)

5. Stockholders' Deficit (Tables)

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5. Stockholders' Deficit (Tables)
 9 Months Ended
Sep. 30, 2012
Equity [Abstract]  
Fair value assumptions
Assumptions   Warrants Received  
Expected term (in months)     64  
Expected volatility     106.7%  
Risk-free interest rate     0.75%  
Exercise price   $ 0.74  
Fair value per warrant   $ 0.46  

 

 

Assumptions   Series A     Series A (Affiliates)     Series B     Series C     Aug/Sep 2011 Notes     Feb 2012 PIPE  
Expected life, in years     4.1       3.1       3.1       5.1       2.1       4.6  
Expected annual volatility     132.0%       114.1%       114.1%       121.9%       126.6%       126.6%  
Risk-free interest rate     0.4%       0.4%       0.4%       0.4%       0.4%       0.4%  
Exercise price   $ 0.60     $ 0.60     $ 0.60     $ 0.60     $ 0.60     $ 0.60  
Fair value per warrant   $ 0.03     $ 0.03     $ 0.03     $ 0.03     $ 0.03     $ 0.03  
Options and warrants outstanding and exercisable
          Stock Options   Warrants        
          Weighted   Weighted        
          Average price   Average price   Total
          Shares   per share   Shares   per share   Shares   Exercisable
Balance outstanding, 12/31/2010   1,605,603     $2.49   2,681,350     $2.24   4,286,953    4,114,792
      Granted     180,000    1.00   2,094,151    1.44   2,274,151     
      Exercised     (41,103)   1.07    —      —     (41,103)    
      Expired     (161,000)   2.78    —      —     (161,000)    
      Forfeited     (75,000)   2.57    —      —     (75,000)    
Balance outstanding, 12/31/2011   1,508,500     $2.33   4,775,501     $1.35   6,284,001    6,112,335
      Granted     1,896,250    0.81   2,302,470    0.60   4,198,720     
      Exercised      —          —      —      —      
      Expired     (80,000)   3.08   (116,490)   2.80   (196,490)    
      Forfeited     (1,644,500)   2.10   (880,980)   2.13   (2,525,480)    
Balance outstanding, 9/30/2012   1,680,250     $0.81   6,080,501     $0.89   7,760,751    7,415,044
Options and warrants outstanding and exercisable price range
        Options Outstanding   Options Exercisable
            Weighted Average       Weighted Average
Range of Exercise Prices    Number of Options   Remaining Contractual Life (Years)   Exercise Price   Number of
Options		   Remaining Contractual Life (Years)   Exercise Price
$0.50 - $0.59   213,750   9.8    $0.50   104,376   9.8    $0.50
0.60 - 0.99   548,000   7.3   0.60   420,000   6.6   0.60
1.00 - 1.00   918,500   4.3   1.00   810,167   3.7   1.00
$0.50 - $1.00   1,680,250   6.0    $0.81   1,334,543   5.1    $0.84