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Income Taxes (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 29, 2019
Jun. 30, 2018
Jun. 29, 2019
Jun. 30, 2018
Income Tax Disclosure [Abstract]        
Income tax expense $ 21,000 $ 0 $ 21,000 $ 0
Accrued interest or penalties related to uncertain tax positions $ 0   $ 0