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Prepayments, Deposits, and Other Current Assets (Details) - USD ($)
$ in Thousands
Apr. 01, 2016
Jan. 01, 2016
Prepayments, Deposits, and Other Current Assets [Line Items]    
Prepayments and deposits $ 2,636 $ 1,386
Income tax receivable 597 597
Value added tax (VAT) receivable 620 724
Deferred charge for foreign profits 182 182
Pension plan 307 0
Other current assets 216 747
Prepayments, deposits, and other current assets $ 4,558 $ 3,636