Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting policies (Tables)

v2.4.0.6
Summary of Significant Accounting policies (Tables)
 9 Months Ended
Oct. 29, 2011
Summary of Significant Accounting Policies [Abstract]  
Fair value of stock option using a Black-Scholes valuation model
                 
     Nine months ended  
    October 29, 2011     October 30, 2010  
   

 

 

  

Volatility rate

     54.0 %      57.1 % 

Average risk-free interest rate

     1.5 %      2.2 % 

Average expected life (in years)

     6.3       5.5  

Dividend yield

     None       None