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INCOME TAXES - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 25, 2022
Dec. 26, 2021
Operating Loss Carryforwards [Line Items]      
Income tax expense $ 379,000 $ 1,345,000 $ 147,000
Net deferred tax asset 184,900,000 163,800,000  
Valuation allowance 184,880,000 163,750,000  
Increase in valuation allowance 21,100,000    
Unrecognized tax benefits 431,000 1,556,000 $ 1,333,000
Impact of unrecognized tax benefits, if recognized 0    
Interest of penalties associated with any uncertain tax positions 0 $ 0  
ERC payment received $ 3,400,000    
ERC payment received, extensible enumeration other current assets    
ERC payment receivable $ 3,600,000    
ERC payment receivable, extensible enumeration Other current assets    
Labor and related expenses      
Operating Loss Carryforwards [Line Items]      
ERC benefit $ 1,800,000    
General and Administrative Expense      
Operating Loss Carryforwards [Line Items]      
ERC benefit 5,100,000    
U.S. Federal      
Operating Loss Carryforwards [Line Items]      
Net operating loss carryforwards 754,000,000    
Net operating loss carryforwards subject to expiration 101,900,000    
Net operating loss carryforwards not subject to expiration 652,100,000    
State      
Operating Loss Carryforwards [Line Items]      
Net operating loss carryforwards 630,200,000    
Net operating loss carryforwards subject to expiration 557,200,000    
Net operating loss carryforwards not subject to expiration $ 73,000,000