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Income Taxes Schedule of Components of Income Tax Expense (Details) - USD ($)
3 Months Ended 9 Months Ended
Oct. 01, 2017
Oct. 02, 2016
Oct. 01, 2017
Oct. 02, 2016
Income Tax Disclosure [Abstract]        
Current $ 0 $ 0 $ 0 $ 0
Deferred (48,000) (466,000) 608,000 2,175,000
Change in valuation allowance 0 466,000 0 (2,175,000)
Provision (benefit) for income taxes $ (48,000) $ 0.0 $ 608,000 $ 0