Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY (Tables)

v2.4.0.6
STOCKHOLDERS' EQUITY (Tables)
9 Months Ended
Sep. 30, 2012
Outstanding Warrants Valuation Assumption

 The fair value of these warrants on September 30, 2012 and December 31, 2011 was determined using a Black-Scholes valuation model with the following level 3 inputs:

 

     September 30,
2012
    December 31,
2011
 

Risk-free interest rate

     0.17 %     0.25 %

Expected life (in years)

     0.91        1.66   

Dividend yield

     —          —     

Volatility

     118 %     84 %

Exercise price

   $ 1.86      $ 1.86   

Stock price

   $ 7.24      $ 1.22   

 

     September 30,
2012
    December 31,
2011
 

Risk-free interest rate

     0.23 %     0.36 %

Expected life (in years)

     2.01        2.76   

Dividend yield

     —          —     

Volatility

     105 %     88 %

Exercise price

   $ 2.05      $ 2.05   

Stock price

   $ 7.24      $ 1.22   

 

     September 30,
2012
    December 31,
2011
 

Risk-free interest rate

     0.62 %     0.60 %

Expected life (in years)

     3.46        4.21   

Dividend yield

     —          —     

Volatility

     99 %     102 %

Exercise price

   $ 2.46      $ 2.46   

Stock price

   $ 7.24      $ 1.22   
Financial Liabilities Subject to Fair Value Measurements

The following table sets forth the Company’s financial liabilities, related to warrants issued in the August 2008, October 2009 and March 2011 offerings, subject to fair value measurements as of September 30, 2012 and December 31, 2011:

 

(in thousands)    Fair Value as of
September 30,
2012
     Basis of Fair Value Measurements  
            Level 1      Level 2      Level 3  

August 2008 warrants

   $ 17,099       $ —         $ —         $ 17,099   

October 2009 warrants

     24,570         —           —           24,570   

March 2011 warrants

     25,704         —           —           25,704   
  

 

 

    

 

 

    

 

 

    

 

 

 

Total common stock warrants

   $ 67,373       $ —         $ —         $ 67,373   
  

 

 

    

 

 

    

 

 

    

 

 

 

 

(in thousands)    Fair Value as of
December 31,
2011
     Basis of Fair Value Measurements  
            Level 1      Level 2      Level 3  

August 2008 warrants

   $ 1,292       $ —         $ —         $ 1,292   

October 2009 warrants

     3,738         —           —           3,738   

March 2011 warrants

     4,179         —           —           4,179   
  

 

 

    

 

 

    

 

 

    

 

 

 

Total common stock warrants

   $ 9,209       $ —         $ —         $ 9,209   
  

 

 

    

 

 

    

 

 

    

 

 

 
Reconciliation of Warrant Liability Measured at Fair Value

The following table is a reconciliation of the warrant liability measured at fair value using level 3 inputs (in thousands):

 

     Warrant Liability  

Balance at December 31, 2011

   $ 9,209   

Change in fair value of common stock warrants during nine months ended September 30, 2012

     85,572   

Exercise of warrants during nine months ended September 30, 2012

     (27,408
  

 

 

 

Balance at September 30, 2012

   $ 67,373