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SHARE-BASED COMPENSATION- Stock Options Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Jan. 01, 2023
Dec. 26, 2021
Dec. 27, 2020
Number of Shares        
Exercised (in shares)     (600)  
Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted-average fair value of warrants (in dollars per share) $ 3.00 $ 5.17 $ 4.91  
Weighted-average risk-free interest rate 4.20% 2.70% 0.80%  
Weighted-average dividend yield 60.00% 54.00% 35.00%  
Weighted-average volatility factor 52.80% 54.60% 53.30%  
Weighted-average expected life 10 years 10 years 10 years  
Number of Shares        
Options outstanding at beginning of period (in shares) 821,679 695,329 652,655  
Granted (in shares) 126,470 164,000 116,374  
Exercised (in shares) (4,800) (1,000)    
Forfeited / Canceled (in shares) (21,039) (36,650) (72,350)  
Options outstanding at ending of period (in shares) 922,310 821,679 695,329 652,655
Options exercisable (in shares) 663,740 573,863    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]        
Options outstanding at beginning of period (in dollars per share) $ 16.08 $ 16.91 $ 17.63  
Granted (in dollars per share) 10.02 12.87 11.57  
Exercised (in dollars per share) 6.25 9.75 9.72  
Forfeited / Canceled (in dollars per share) 17.38 17.65 15.01  
Options outstanding at ending of period (in dollars per share) 15.30 16.08 $ 16.91 $ 17.63
Options exercisable at beginning of period (in dollars per share) (in shares) 16.84 17.50    
Options exercisable at ending of period (in dollars per share) (in shares) $ 16.84 $ 17.50    
Options outstanding, weighted average remaining contractual term 6 years 6 years 4 months 24 days 6 years 8 months 12 days 7 years 1 month 6 days
Options exercisable, weighted average remaining contractual term 5 years 5 years 4 months 24 days    
Options outstanding at beginning of period $ 1,907 $ 665 $ 665  
Options outstanding at ending of period 104 1,907 $ 665 $ 665
Options exercisable at beginning of period 103 1,164    
Options exercisable at ending of period $ 103 $ 1,164    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Nonvested, number of shares 258,570 247,816    
Nonvested options, weighted average grant date fair value $ 7.84 $ 7.64