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Intangible Assets, Net (Details Textual) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 02, 2015
Jan. 03, 2014
Dec. 28, 2012
Amortization Of Intangible Assets $ 382us-gaap_AmortizationOfIntangibleAssets $ 440us-gaap_AmortizationOfIntangibleAssets $ 652us-gaap_AmortizationOfIntangibleAssets