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Note 9 - Income Taxes (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 02, 2023 | Jul. 03, 2022 | Jul. 02, 2023 | Jul. 03, 2022
Income Tax Expense (Benefit) | $ (7) | $ 17 | $ 0 | $ 16
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent |  |  | 3.04% |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  | 21.00% |

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