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COMMON STOCK (Details) - shares
Mar. 26, 2023
Dec. 25, 2022
Class of Stock [Line Items]    
Total reserved shares of common stock 36,274,918 36,585,884
Shares available for future issuance under the 2019 Equity Incentive Plan and 2021 Equity Incentive Plan    
Class of Stock [Line Items]    
Total reserved shares of common stock 9,961,480 10,655,568
Shares reserved for achievement of Spyce milestones    
Class of Stock [Line Items]    
Total reserved shares of common stock 714,285 714,285
Stock Options    
Class of Stock [Line Items]    
Total reserved shares of common stock 14,367,322 13,813,922
Employee Stock    
Class of Stock [Line Items]    
Total reserved shares of common stock 3,000,000 3,000,000
Restricted Stock Units And Performance Share Units    
Class of Stock [Line Items]    
Total reserved shares of common stock 8,231,831 8,402,109