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Fair Value Measurement (Tables)
12 Months Ended
Dec. 31, 2014
Fair Value Measurement Tables  
Financial liabilities measured at fair value on a recurring basis

The following table presents the Company's assets and liabilities that are measured at fair value at December 31, 2014 and 2013 (in thousands):

 

    Fair value measured at December 31, 2014  
    Total carrying value at December 31,   Quoted prices in active markets   Significant other observable inputs   Significant unobservable inputs  
    2014     (Level 1)     (Level 2)     (Level 3)  
Assets                        
Marketable securities - mutual funds   $ 3,500     $ 3,500     $ -     $ -  
                                 
Liabilities                                
Fair value of warrant liabilities   $ -     $ -     $ -     $ -  
   

 

Fair value measured at December 31, 2013

 
    Total carrying value at December 31,   Quoted prices in active markets   Significant other observable inputs   Significant unobservable inputs  
      2013     (Level 1)     (Level 2)     (Level 3)  
Liabilities                                
Fair value of warrant liabilities   $ 48     $ -     $ -     $ 48  
Significant assumptions used in the valuations

Liabilities resulting from the Warrants issued in connection with the Company’s November 2012 financing were valued using the Black-Scholes option valuation model and the following assumptions on the following dates (fair value in thousands):

 

    December 31,     December 31,     March 6,  
    2014     2013     2013  
Risk-free interest rate     0.02% - 1.10%       0.01% - 0.78%       0.81%  
Expected volatility     69.1% - 86.1%       69.1% - 89.4%       147.15%  
Expected life (in years)     0.1 - 3.4       0.1 - 3.9       4.7  
Expected dividend yield     -       -       -  
Number of warrants     58,448       65,263       474,266  
Fair value   $ -     $ 48     $ 5,696  
Changes in the fair value of the Company's Level 3 inputs

The following table sets forth a summary of the changes in the fair value of the Company’s Level 3 financial liabilities that are measured at fair value on a recurring basis for the year ended December 31 (in thousands):

 

    For the Years Ended  
    December 31,  
    2014     2013  
Beginning balance   $ 48     $ 3,126  
Issuance of new warrants     -       -  
Fair value adjustments for warrant liabilities     (48 )     2,618  
Reclassification to stockholders' equity     -       (5,696 )
Ending balance   $ -     $ 48