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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Jan. 03, 2023 | Dec. 28, 2021 | Dec. 29, 2020 | Dec. 31, 2019
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Income tax credit carryforwards | $ 56,780,000 | $ 41,826,000 |  |
Net operating losses | 7,347,000 | 5,569,000 |  |
Valuation allowances against net operating loss and tax credit carryforwards | 1,151,000 | 586,000 |  |
Accrued penalties and interest to uncertain tax positions | 100,000 | 100,000 |  |
Unrecognized tax benefits | 1,249,000 | 1,198,000 | $ 1,333,000 | $ 1,345,000
Unrecognized tax benefits that would impact effective tax rate, if reversed | 1,100,000 |  |  |
Anticipated decrease in liability for unrecognized tax benefits within next twelve-month period | 0 |  |  |
Federal |  |  |  |
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Income tax credit carryforwards | $ 55,900,000 |  |  |
Tax credits expiration year | 2038 |  |  |
Valuation allowances against net operating loss and tax credit carryforwards | $ 0 | 0 |  |
Federal | Earliest Tax Year |  |  |  |
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Income tax examination, years open | 2015 |  |  |
State or Local Taxing Jurisdiction |  |  |  |
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Income tax credit carryforwards | $ 800,000 |  |  |
Tax credits expiration year | 2023 |  |  |
Valuation allowances against net operating loss and tax credit carryforwards | $ 1,200,000 | $ 600,000 |  |
State or Local Taxing Jurisdiction | Earliest Tax Year |  |  |  |
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Income tax examination, years open | 2018 |  |  |
Expiration Periods Beginning 2023 |  |  |  |
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] |  |  |  |
Federal net operating loss | $ 4,000,000.0 |  |  |
State net operating losses | $ 142,800,000 |  |  |

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