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Income Taxes - Schedule of Income before Income Tax, Domestic and Foreign (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2018
Dec. 29, 2017
Dec. 30, 2016
Income Tax Disclosure [Abstract]      
Domestic $ (2,629) $ (3,318) $ (10,399)
Foreign 9,268 1,022 (2,045)
Income (loss) before income taxes $ 6,639 $ (2,296) $ (12,444)