RECENT RESTAURANT EXPANSION AND OTHER DEVELOPMENTS - Schedule of unaudited pro forma financial information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019
Business Acquisition [Line Items]
Basic (in Shares)	3,500,000	3,479,000
Diluted (in Shares)	3,500,000	3,531,000
JB's On The Beach
Business Acquisition [Line Items]
Total revenues		$ 170,132
Net income		$ 3,336
Net income per share - basic (in Dollars per share)		$ 0.96
Net income per share - diluted (in Dollars per share)		$ 0.94
Basic (in Shares)		3,479
Diluted (in Shares)		3,531