SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Antidilutive Securities) (Details) - shares	12 Months Ended
	Dec. 31, 2017	Dec. 25, 2016	Dec. 27, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	210,250	82,250	21,042
Employee Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	178,000	50,000	21,042
Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	32,250	32,250	0