Note 2 - Fair Value Measurements - Assets Measured at Fair Value on Non-recurring Basis (Details) - USD ($) $ in Thousands |
Sep. 25, 2022 |
Dec. 26, 2021 |
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| Fair Value | $ 884 | |
| Fair Value, Nonrecurring [Member] | Long Lived Assets [Member] | ||
| Fair Value | $ 0 | |
| Significant Other Observable Inputs (Level 3) | 0 | |
| Total Losses on Impairment | 1,766 | |
| Fair Value, Nonrecurring [Member] | Long Lived Assets [Member] | Fair Value, Inputs, Level 2 [Member] | ||
| Fair Value | $ 0 |
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- Definition Represents fair value measurement with unobservable inputs reconciliation nonrecurring basis asset transfers into level three. No definition available.
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- Definition Represents impairment of tangible and intangible assets finite lived assets. No definition available.
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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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