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Fair Value Measurements (Tables)
3 Months Ended
May 04, 2013
Fair Value Disclosures [Abstract]  
Summary of Fair Value Assumptions for Derivative Liabilities

The Series B Preferred shares are required to be measured at fair value each reporting period. The fair value of the Series B Preferred shares was estimated using an option pricing model that requires Level 3 inputs, which are highly subjective and determined using the following significant assumptions:

 

     May 4, 2013     February 2, 2013  

Conversion price

   $ 1.75      $ 1.75   

Expected volatility

     69     68

Expected term (in years)

     8.60        8.85   

Risk free interest rate

     1.48     2.04

Expected dividends

   $ —       $ —    
Summary of Activity Recorded for Derivatives Using Level 3 Inputs

The following table presents the activity recorded for the derivative liability during the first quarter ended:

 

     May 4, 2013  
     (In thousands)  

Beginning balance as of February 2, 2013

   $ 20,082   

Loss on change in fair value

     9,290   
  

 

 

 

Ending balance as of May 4, 2013

   $ 29,372