Income Taxes (Components of Loss Before Provision for Income Taxes) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 27, 2025 |
Dec. 28, 2024 |
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| Income Taxes | ||
| United States | $ (24,614) | $ (53,527) |
| Foreign | (210) | (337) |
| Loss before provision for income taxes | $ (24,824) | $ (53,864) |
| X | ||||||||||
- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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