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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 | Jan. 02, 2024 | Jan. 03, 2023 | Dec. 28, 2021
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Income tax credit carryforwards | $ 74,826,000 | $ 67,596,000 |  |
Net operating losses | 4,831,000 | 5,085,000 |  |
Valuation allowances against net operating loss and tax credit carryforwards | 186,000 | 889,000 |  |
Accrued penalties and interest to uncertain tax positions | 100,000 | 100,000 |  |
Unrecognized tax benefits | 874,000 | 967,000 | $ 1,249,000 | $ 1,198,000
Unrecognized tax benefits that would impact effective tax rate, if reversed | 900,000 |  |  |
Anticipated decrease in liability for unrecognized tax benefits within next twelve-month period | $ 0 |  |  |
Earliest Tax Year |  |  |  |
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Tax credits expiration year | 2025 |  |  |
Federal |  |  |  |
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Income tax credit carryforwards | $ 75,000,000 |  |  |
Tax credits expiration year | 2039 |  |  |
Valuation allowances against net operating loss and tax credit carryforwards | $ 0 | 0 |  |
Income tax examination, years open | 2021 |  |  |
State or Local Taxing Jurisdiction |  |  |  |
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Income tax credit carryforwards | $ 100,000 |  |  |
Valuation allowances against net operating loss and tax credit carryforwards | $ 200,000 | $ 900,000 |  |
Income tax examination, years open | 2020 |  |  |
Expiration Periods Beginning 2025 |  |  |  |
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
State and city net operating loss carryforwards | $ 106,400,000 |  |  |
Expiration Periods Beginning 2025 | Minimum |  |  |  |
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Expiration period | 5 years |  |  |
Expiration Periods Beginning 2025 | Maximum |  |  |  |
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Expiration period | 20 years |  |  |

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