Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Textual)

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Commitments and Contingencies (Details Textual) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Commitments and Contingencies (Textual) [Abstract]      
Total rental expense $ 297 $ 294 $ 229
Re-insurance losses on claims on individual basis 135    
Re-insurance losses on claims on aggregate basis $ 9,000