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Prepayments, Deposits, and Other Current Assets (Details) - USD ($)
$ in Thousands
Jan. 01, 2016
Jan. 02, 2015
Prepayments, Deposits, and Other Current Assets [Line Items]    
Prepayments and deposits $ 1,386 $ 1,991
Income tax receivable 597 1,084
Value added tax (VAT) receivable 724 721
Deferred charge for foreign profits 182 338
Other current assets 747 383
Prepayments, Deposits, and Other Current Assets $ 3,636 $ 4,517