RECENT RESTAURANT EXPANSION AND OTHER DEVELOPMENTS - Schedule of unaudited pro forma financial information (Details) - JB's On The Beach - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018
Business Acquisition [Line Items]
Total revenues	$ 170,132	$ 171,219
Net income	$ 3,336	$ 5,384
Net income per share - basic (in Dollars per share)	$ 0.96	$ 1.57
Net income per share - diluted (in Dollars per share)	$ 0.94	$ 1.52