Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Jan. 01, 2023	Jan. 02, 2022
Income Tax Contingency [Line Items]
Federal statutory tax rate	21.00%
Deferred tax assets valuation allowance	$ 280,000	$ 280,000
Unrecognized tax benefits	$ 0	0
Unrecognized tax benefits, period	over the next 12 months
Accrued interest or penalties	$ 0	0
Earliest Tax Year [Member] | Federal [Member]
Income Tax Contingency [Line Items]
Income tax returns in period	2019
Earliest Tax Year [Member] | State and Local [Member]
Income Tax Contingency [Line Items]
Income tax returns in period	2018
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	2023