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Commitments and Contingencies (Details Textual) (USD $)
 12 Months Ended
Jan. 03, 2014
Dec. 28, 2012
Dec. 30, 2011
Loss Contingencies [Line Items]      
Payments for Rent $ 1,500,000 $ 1,900,000 $ 1,800,000
Depreciation For Assets Held Under Capital Lease 566,000 522,000 615,000
Finished Goods Inventory [Member]
      
Loss Contingencies [Line Items]      
Long-term Purchase Commitment, Amount 1,064,000    
Property, Plant and Equipment [Member]
      
Loss Contingencies [Line Items]      
Long-term Purchase Commitment, Amount $ 800,000