Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v2.4.0.8
Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2014
Financial Liabilities Subject to Fair Value Measurements

The following table sets forth the Company’s financial liabilities, related to warrants issued in the October 2009 and March 2011offerings, subject to fair value measurements as of March 31, 2014 and December 31, 2013:

 

     Fair Value as of
March 31,

2014
     Basis of Fair Value Measurements  
(in thousands)       Level 1      Level 2      Level 3  

October 2009 warrants

   $ 11,620       $ —        $ —        $ 11,620   

March 2011 warrants

     10,344         —          —          10,344   
  

 

 

    

 

 

    

 

 

    

 

 

 

Total common stock warrants

   $ 21,964       $ —        $ —        $ 21,964   
  

 

 

    

 

 

    

 

 

    

 

 

 

 

(in thousands)    Fair Value as of
December 31,

2013
     Basis of Fair Value Measurements  
      Level 1      Level 2      Level 3  

October 2009 warrants

   $ 11,320       $ —        $ —        $ 11,320   

March 2011 warrants

     12,101         —          —          12,101   
  

 

 

    

 

 

    

 

 

    

 

 

 

Total common stock warrants

   $ 23,421       $ —        $ —        $ 23,421   
  

 

 

    

 

 

    

 

 

    

 

 

 
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, 2013

   $ 23,421   

Change in fair value of common stock warrants during three months ended March 31, 2014

     (1,457 )

Exercise of warrants during three months ended March 31, 2014

     —     
  

 

 

 

Balance at March 31, 2014

   $ 21,964   
  

 

 

 
October 2009 Offering [Member]
 
Outstanding Warrants Valuation Assumption

The fair value of these warrants on March 31, 2014 and December 31, 2013 was determined using a Black Scholes valuation model with the following level 3 inputs:

 

     March 31,
2014
    December 31,
2013
 

Risk-free interest rate

     0.13 %     0.13 %

Expected life (in years)

     0.52        0.76   

Dividend yield

     —          —    

Volatility

     44 %     49 %

Stock price

   $ 4.76      $ 4.67   
March 2011 Offering [Member]
 
Outstanding Warrants Valuation Assumption

The fair value of these warrants on March 31, 2014 and December 31, 2013 was determined using a Black Scholes valuation model with the following level 3 inputs:

 

     March 31,
2014
    December 31,
2013
 

Risk-free interest rate

     0.44 %     0.78 %

Expected life (in years)

     1.96        2.21   

Dividend yield

     —          —    

Volatility

     55 %     88 %

Stock price

   $ 4.76      $ 4.67