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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Antidilutive Securities) (Details) - shares
12 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Dec. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of earnings per share, amount 238,750 175,000 210,250
Stock options and restricted stock      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of earnings per share, amount 238,750 175,000 178,000
Warrant      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of earnings per share, amount 0 0 32,250