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Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019	Dec. 29, 2019
Income Tax Disclosure [Abstract]
Net income tax expense (benefit)	$ (27,000)	$ 27,000	$ (9,000)	$ (241,000)
Unrecognized tax benefits that would affect effective tax rate	$ 0		$ 0		$ 0

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB
-Name Accounting Standards Codification
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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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