Income Taxes - Additional Information (Detail) - USD ($)	6 Months Ended
	Jul. 03, 2022	Jul. 04, 2021	Jan. 02, 2022
Income Tax Contingency [Line Items]
Unrecognized tax benefits	$ 0		$ 0
Unrecognized tax benefits, period	over the next 12 months
Accrued interest or penalties	$ 0		0
California [Member]
Income Tax Contingency [Line Items]
Disaster recovery credit related to fire	$ 200,000
Earliest Tax Year [Member] | Federal [Member]
Income Tax Contingency [Line Items]
Income tax returns in period	2018
Earliest Tax Year [Member] | State and Local [Member]
Income Tax Contingency [Line Items]
Income tax returns in period	2017
California Enterprise Zone Tax Credits [Member]
Income Tax Contingency [Line Items]
Deferred tax assets valuation allowance	$ 300,000		$ 300,000
Tax credits carry forward latest expiration year	2024
Change in valuation allowance		$ 300,000