Note 2 - Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 29, 2025 |
Jun. 30, 2025 |
Jun. 29, 2025 |
Jun. 30, 2024 |
Dec. 29, 2024 |
|
| Equity Method Investment, Other-than-Temporary Impairment | $ 300 | $ 300 | $ 0 | ||
| Financing Receivable, Accrued Interest, after Allowance for Credit Loss | 0 | $ 0 | $ 0 | ||
| Defined Contribution Plan, Cost | $ 45 | $ 94 | |||