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STOCK OPTIONS AND AWARDS (Details)
12 Months Ended
Dec. 28, 2019
USD ($)
Plan
$ / shares
shares
Dec. 29, 2018
USD ($)
$ / shares
shares
Stock Options [Abstract]    
Number of plans that have shares reserved for further issuance | Plan 1  
Minimum [Member]    
Stock Options [Abstract]    
Percentage of fair market value of stock on grant date for exercise price 100.00%  
Stock Appreciation Rights (SARs) [Member]    
Stock Options [Abstract]    
Stock-based compensation expense | $ $ 397,250 $ 276,778
Number of Units, Stock Appreciation Rights (SARs) [Roll Forward]    
Outstanding at beginning of period (in shares) | shares 189,167 141,500
Issued (in shares) | shares 96,000 51,000
Exercised (in shares) | shares (1,667) 0
Forfeited (in shares) | shares (7,500) (3,333)
Outstanding at end of period (in shares) | shares 276,000 189,167
Weighted - Average Exercise Price, Stock Appreciation Rights (SARs) [Abstract]    
Outstanding at beginning of period (in dollars per share) $ 21.46 $ 20.36
Issued (in dollars per share) 23.65 24.90
Exercised (in dollars per share) 19.10 0
Forfeited (in dollars per share) 21.20 19.10
Outstanding at end of period (in dollars per share) 22.30 $ 21.46
SARs Grants Outstanding and Exercisable [Abstract]    
Minimum Range of Exercise Prices (in dollars per share) 19.10  
Maximum Range of Exercise Prices (in dollars per share) $ 26.30  
Outstanding (in shares) | shares 276,000  
Weighted- Average Remaining Contractual Life 3 years 3 months 18 days  
Weighted- Average Exercise Price (in dollars per share) $ 22.30  
Exercisable as of December 29, 2018 (in shares) | shares 38,003  
Exercisable, Weighted- Average Remaining Contractual Life 2 years 3 months 18 days  
Exercisable, Weighted- Average Exercise Price (in dollars per share) $ 19.10  
Stock Options [Member]    
Number of Units, Stock Appreciation Rights (SARs) [Roll Forward]    
Outstanding at beginning of period (in shares) | shares 25,000 25,000
Issued (in shares) | shares 0 0
Forfeited (in shares) | shares 0 0
Outstanding at end of period (in shares) | shares 25,000 25,000
Weighted - Average Exercise Price, Stock Appreciation Rights (SARs) [Abstract]    
Outstanding at beginning of period (in dollars per share) $ 0 $ 0
Issued (in dollars per share) 0 0
Forfeited (in dollars per share) 0 0
Outstanding at end of period (in dollars per share) 0 $ 0
SARs Grants Outstanding and Exercisable [Abstract]    
Maximum Range of Exercise Prices (in dollars per share) $ 0  
Outstanding (in shares) | shares 25,000  
Weighted- Average Remaining Contractual Life 2 years 3 months 18 days  
Weighted- Average Exercise Price (in dollars per share) $ 0  
Exercisable as of December 29, 2018 (in shares) | shares 0  
Exercisable, Weighted- Average Remaining Contractual Life 0 years  
Exercisable, Weighted- Average Exercise Price (in dollars per share) $ 0  
Restricted Stock [Member]    
Stock Options [Abstract]    
Issued (in shares) | shares 0 0
Stock Options and SARs [Member]    
SARs Grants Outstanding and Exercisable [Abstract]    
Outstanding options, intrinsic value | $ $ 2,898,945  
2010 Plan [Member]    
Stock Options [Abstract]    
Expected term   3 years 6 months
Volatility deviation   29.50%
Risk free rate   2.33%
Shares available for future grant (in shares) | shares 178,500  
2010 Plan [Member] | Minimum [Member]    
Stock Options [Abstract]    
Expected term 3 years 6 months  
Volatility deviation 28.88%  
Risk free rate 1.42%  
2010 Plan [Member] | Maximum [Member]    
Stock Options [Abstract]    
Expected term 4 years  
Volatility deviation 32.33%  
Risk free rate 2.48%