Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Share-Based Compensation (Details 1)

v2.4.0.6
Stockholders' Equity and Share-Based Compensation (Details 1)
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Summary of assumptions used for fair value of option grant      
Expected life 5 years 8 months 23 days    
Risk-free interest rate 1.00%    
Risk-free interest rate - minimum   1.00% 2.00%
Risk-free interest rate - maximum   3.00% 3.00%
Expected volatility     51.00%
Expected dividend yield 0.00% 0.00% 0.00%
Minimum [Member]
     
Summary of assumptions used for fair value of option grant      
Expected life   6 years 6 years
Expected volatility 71.00% 50.00%  
Maximum [Member]
     
Summary of assumptions used for fair value of option grant      
Expected life   6 years 3 months 6 years 3 months
Expected volatility 74.00% 52.00%