Income Taxes [Line Items]

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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- Definition

Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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- Definition

Expiration date of each operating loss carryforward included in operating loss carryforward, in YYYY-MM-DD format.

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- Definition

Amount of unrecognized tax benefits.

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- Definition

Amount of interest expense accrued for an underpayment of income taxes.

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Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Income Taxes [Line Items]
Corporate income tax rate	21.00%	21.00%	21.00%
Gross amount of unrecognized tax benefits	$ 0		$ 306,000	$ 750,000
Unrecognized tax benefit, accrued interest	0	$ 0
Domestic Tax Authority
Income Taxes [Line Items]
Federal net operating loss carryforwards	2,800,000
State and Local Jurisdiction
Income Taxes [Line Items]
State net operating loss carryforwards	4,800,000
Credit carryforwards	$ 5,400,000
Operating loss carryforwards expiration date		Dec. 31, 2041