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Stockholders' Equity (Tables)
3 Months Ended
Jun. 29, 2012
Warrants Outstanding and Exercisable
At March 31, 2012 and June 29, 2012, the Company had the following warrants outstanding and exercisable:

   
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:

   
June 29, 2012
   
July 1, 2011*
 
Expected term (in years)
    3.4       0.2 – 4.4  
Volatility
    66.05%       41.23% - 69.52%  
Expected dividend
    --       --  
Risk-free interest rate
    2.0%       0.83% - 2.0%  
Activity in Level Three Warrants
The following chart represents the activity in the Company’s Level 3 warrants during the three months ended June 29, 2012 and year ended March 31, 2012.

   
For Periods Ended
 
   
Three Months
June 29, 2012
   
Year Ended
March 31, 2012
 
Level 3 Warrants, beginning of period
  $ 26,000     $ 732,000  
Change in fair value of warrant liability
    (17,000 )     (706,000 )
Level 3 Warrants, end of period
  $ 9,000     $ 26,000