CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Parentheticals) - USD ($) $ in Thousands  | 
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023  | 
Dec. 25, 2022  | 
Dec. 26, 2021  | 
|
| Income Statement [Abstract] | |||
| Labor, stock-based compensation | $ 475 | $ 958 | $ 894 | 
| Selling, general, and administrative, stock-based compensation | 6,329 | 8,635 | 5,728 | 
| Other charges, stock-based compensation | $ (128) | $ (3,299) | $ 0 | 
| X | ||||||||||
- Definition This element represents the expense recognized in direct labor expense during the period arising from share-based compensation arrangements (for example, shares of stock, stock options or other equity instruments) with employees. No definition available. 
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| X | ||||||||||
- Definition Allocated Share Based Compensation Expense, Other Charges No definition available. 
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| X | ||||||||||
- Definition This element represents the expense recognized in selling, general and administrative expense during the period arising from share-based compensation arrangements (for example, shares of stock, stock options or other equity instruments) with employees. No definition available. 
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| X | ||||||||||
- References No definition available. 
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