Annual report pursuant to Section 13 and 15(d)

Benefit Contribution Plan (Details)

v2.4.0.6
Benefit Contribution Plan (Details) (USD $)
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Benefit Contribution Plan [Abstract]    
Employer contribution per dollar $ 0.10  
Defined Contribution Plan, Employer Matching Contribution, Percent 5.00%  
Employer contribution safe habor matching percent 4.00%  
Recognized expenses for contributions $ 51,000 $ 42,000