DISCONTINUED OPERATIONS (Details)	12 Months Ended
	Dec. 30, 2018 USD ($) restaurant	Dec. 31, 2017 USD ($)
Impaired Long-Lived Assets Held for Sale [Line Items]
Total assets	$ 0	$ 0
Total liabilities	$ 0	0
Discontinued operations		889,000
Income (loss) attributable to discontinued operations, net of tax		(1,457,000)
Mid-Atlantic Restaurants [Member]
Impaired Long-Lived Assets Held for Sale [Line Items]
Number of Locations Sold | restaurant	8
Restaurants sold, contract purchase price, gross	$ 2,350,000
Restaurants sold, contract purchase price, credits	$ 750,000
Restaurants sold, duration of time to utilize credit	1 year
Restaurants sold, line of credit, maximum amount	$ 750,000
Restaurants sold, percentage of rent to be paid by purchaser	50.00%
Restaurants Sold, Line of Credit Agreement, Term	4 years
Restaurants sold, Line of Credit Agreement, Interest Rate	4.25%
Restaurants Sold, EBITDA Guarantee Percentage	50.00%
Restaurants Sold, EBITDA Guarantee, Twelve Month Threshold Amount	$ 25,000
Restaurants Sold, EBITDA Guarantee, Eighteen Month Threshold Amount	37,500
Discontinued Operation, Amounts of Material Contingent Liabilities Remaining	$ 33,000
Restaurant sales, net		18,831,000
Cost of sales		(16,998,000)
General and administrative expenses		(149,000)
Depreciation and amortization		(611,000)
Operating income		1,073,000
Gain (loss) on disposal attributable to discontinued operations		(3,419,000)
Income (loss) attributable to discontinued operations, before tax		(2,346,000)
Discontinued operations		889,000
Income (loss) attributable to discontinued operations, net of tax		$ (1,457,000)