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Other Current Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Jan. 01, 2016
Other Liabilities, Current [Line Items]    
Accrued salaries and wages $ 2,452 $ 1,909
Accrued bonuses 2,027 2,114
Consumption tax 482 157
Accrued insurance 144 540
Accrued audit fees 412 314
Other [1] 2,051 1,271
Other current liabilities $ 7,568 $ 6,305
[1] No individual item in “Other” above exceeds 5% of the total other current liabilities