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Employee Benefit Plan (Details) (USD $)
 12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Schedule of Benefit Plans Disclosure [Line Items]      
Employee age threshhold for higher annual contribution 50 years    
Employer matching percentage 50.00%    
Maximum amount of employee contribution that employer matches 3.00%    
Amount charged to operations in connection with the plan $ 146,000 $ 210,000 $ 229,000
Under the age of 50
      
Schedule of Benefit Plans Disclosure [Line Items]      
Maximum amount of annual compensation that can be deferred 17,000    
Over the age fo 50
      
Schedule of Benefit Plans Disclosure [Line Items]      
Maximum amount of annual compensation that can be deferred $ 22,500