JanOne Inc. Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ (17)	$ 0	$ (244)	$ 0
Effective tax rate			29.50%	0.05%
Discontinued Operations
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ (43)	$ 4	$ 3,200	$ 7

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