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Intangible Assets, Net - Summary of Future Estimated Annual Amortization Expense (Detail) - USD ($)
$ in Thousands
Oct. 03, 2015
Jan. 03, 2015
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2015 (fourth quarter) $ 115  
2016 460  
2017 323  
2018 165  
2019 80  
Thereafter 244  
Net Carrying Amount $ 1,387 $ 1,707