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INCOME TAXES - Reconciliation of the Statutory Income Tax Rate to the Effective Income Tax Rate (Details)	12 Months Ended
	Dec. 25, 2022	Dec. 26, 2021	Dec. 27, 2020
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%	21.00%
Effect of:
State taxes, net of federal benefit	7.10%	6.90%	7.40%
Permanent differences	(0.80%)	(3.60%)	0.10%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount	(7.80%)	(2.80%)	0.00%
Change in valuation allowance	(19.40%)	(22.90%)	(28.60%)
Other	(0.80%)	1.30%	0.10%
Total	(0.70%)	(0.10%)	0.00%

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- Definition

Effective Income Tax Rate Reconciliation, Permanent Differences , Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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