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Income Taxes - Summary of Differences Between Income Tax Provision and Applied Federal Statutory Rate (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 01, 2022 | Jan. 02, 2021 | Dec. 28, 2019
Income Taxes |  |  |
Income tax at U.S. federal statutory rate | $ (2,098) | $ (253) | $ (2,123)
Tax attributes written off |  | 50 |
Share-based compensation | (4,602) | (318) | 729
State income tax, net of federal tax effect | (269) | (115) | (325)
Foreign tax | 243 | 144 | 106
Other | 42 | 121 | 35
Change in valuation allowance | 7,035 | 678 | 23,015
Income tax provision | $ 351 | $ 307 | $ 21,437

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