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Accounts Receivable Trade, Net (Details) - USD ($)
$ in Thousands
Jan. 01, 2016
Jan. 02, 2015
Accounts Receivable [Line Items]    
Accounts Receivable, Gross $ 17,552 $ 12,643
Less allowance for doubtful accounts and sales returns 1,877 1,589
Accounts Receivable, Net 15,675 11,054
Domestic [Member]    
Accounts Receivable [Line Items]    
Accounts Receivable, Gross 1,728 1,818
Foreign [Member]    
Accounts Receivable [Line Items]    
Accounts Receivable, Gross $ 15,824 $ 10,825