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Note 7 - Intangible Assets (Tables) | 9 Months Ended
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Sep. 28, 2025
Notes Tables |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | September 28, 2025 |
|  | Remaining Useful Life |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Capitalized patent litigation costs |  |  | 8.25 |  |  | $ | 418 |  |  | $ | (69 | ) |  | $ | 349 |
Total intangible assets related to patents |  |  |  |  |  | $ | 418 |  |  | $ | (69 | ) |  | $ | 349 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|  | Amount |
Annual Fiscal Years |  |  |  |
2025 (remaining period) |  | $ | 10 |
2026 |  |  | 39 |
2027 |  |  | 39 |
2028 |  |  | 39 |
2029 |  |  | 39 |
Thereafter |  |  | 183 |
Total |  | $ | 349 |

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