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Stockholders' Equity (Tables)
6 Months Ended
Sep. 28, 2012
Warrants Outstanding and Exercisable
At September 28, 2012, the Company had the following warrants outstanding and exercisable which could be exchanged into shares of Class A Common Stock:

   
Shares
(000’s)
   
Exercise Price
 
    2007 Warrants
    0     $ 1.7900  
    2010 Warrants
    267     $ 1.4040  
       Total
    267          

At March 31, 2012, the Company had the following warrants outstanding and exercisable which could be exchanged into shares of Class A Common Stock:

   
Shares
(000’s)
   
Exercise Price
 
    2007 Warrants
    630     $ 1.7900  
    2010 Warrants
    267     $ 1.4040  
       Total
    897          
Assumptions Used to Estimate Fair Value of Warrants
The fair value of the warrants was estimated using the Monte Carlo option pricing model using the following assumptions:

   
September 28, 2012
   
September 30, 2011
 
             
Expected term (in years)
    3.2       4.1  
Volatility
    66.37 %     71.76 %
Expected dividend
    --       --  
Risk-free interest rate
    0.34 %     2.0 %
Activity in Level Three Warrants
The following chart represents the activity in the Company’s Level 3 warrant liability during the six months ended September 28, 2012 and year ended March 31, 2012.

   
For Periods Ended
 
   
Six Months Ended September 28, 2012
   
Year Ended
March 31, 2012
 
Level 3 Warrants, beginning of period
  $ 26,000     $ 732,000  
Change in fair value of warrant liability
    (13,000 )     (706,000 )
Level 3 Warrants, end of period
  $ 13,000     $ 26,000