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Stockholders' Equity (Details 3) (USD $)
 12 Months Ended
Dec. 28, 2012
Dec. 30, 2011
Dec. 31, 2010
Nonvested at December 30, 2011, Options 1,085,000    
Granted, Options 680,000    
Nonvested at December 28, 2012, Options 1,201,000 1,085,000  
Nonvested at December 30, 2011, Weighted Average Grant Date Fair Value $ 5.35    
Granted, Weighted Average Grant Date Fair Value $ 6.65 $ 3.85 $ 3.13
Nonvested at December 28, 2012, Weighted Average Grant Date Fair Value $ 5.31 $ 5.35  
Non Vested Options [Member]
      
Nonvested at December 30, 2011, Options 1,085,000    
Granted, Options 680,000    
Vested, Options (520,000)    
Forfeited, Options (44,000)    
Nonvested at December 28, 2012, Options 1,201,000    
Nonvested at December 30, 2011, Weighted Average Grant Date Fair Value $ 5.35    
Granted, Weighted Average Grant Date Fair Value $ 6.65    
Vested, Weighted Average Grant Date Fair Value $ 3.48    
Forfeited, Weighted Average Grant Date Fair Value $ 4.47    
Nonvested at December 28, 2012, Weighted Average Grant Date Fair Value $ 5.31