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Prepayments, Deposits, and Other Current Assets (Details) - USD ($)
$ in Thousands
Oct. 02, 2015
Jan. 02, 2015
Prepayments, Deposits, and Other Current Assets [Line Items]    
Prepayments and deposits $ 2,325 $ 1,991
Income tax receivable 34 1,084
Value added tax (VAT) receivable 747 721
Deferred charges for foreign profits 612 338
Other current assets 290 383
Prepayments, Deposits, and Other Current Assets $ 4,008 $ 4,517