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SHARE-BASED COMPENSATION- Stock Warrants (Details) - USD ($)
 12 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]      
Exercised (in shares0 39,014 86,053 13,800
Warrant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation cost related to stock awards $ 0 $ 0 $ 0
Unamortized stock compensation expense $ 0    
Unamortized stock compensation expense, recognition period 0 years    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]      
Warrants outstanding at beginning of period (in shares) 93,216 123,984  
Exercised (28,734) (30,768)  
Warrants outstanding at ending of period (in shares) 64,482 93,216 123,984
Warrants exercisable (in shares) 64,482 93,216  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Weighted Average Exercise Price [Abstract] [Abstract]      
Warrants outstanding at beginning of period (in dollars per share) $ 11.59 $ 11.51  
Exercised 6.55 11.27  
Warrants outstanding at ending of period (in dollars per share) 13.84 11.59 $ 11.51
Warrants exercisable (in dollars per share) $ 13.84 $ 11.59  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Additional Disclosures [Abstract]      
Warrants outstanding, weighted remaining contractual life 9 months 18 days 1 year 3 months 18 days 2 years 2 months 12 days
Warrants exercisable, weighted remaining contractual life 9 months 18 days 1 year 3 months 18 days  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Intrinsic Value [Abstract]      
Warrants outstanding at beginning of period $ 805,000 $ 577,000  
Warrants outstanding at ending of period 473,000 805,000 $ 577,000
Warrants exercisable, total intrinsic value $ 473,000 $ 805,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]      
Nonvested, number of warrants 0 0  
Nonvested warrants, weighted average grant date fair value $ 0 $ 0  
Conversion of stock, shares issued (in shares) 20,059 16,623 0
Exercised (in shares0 28,734 30,768 0