INVESTMENTS IN LIMITED PARTNERSHIPS (Narrative) (Details)	3 Months Ended	12 Months Ended
	Jun. 29, 2019 USD ($)	Oct. 02, 2021 USD ($) item	Sep. 30, 2019 ft²	Mar. 30, 2019 ft²
Schedule of Equity Method Investments [Line Items]
Number of investments in limited partnerships		9
Return of capital, percentage of cash invested in limited partnership		25.00%
Available cash in excess of cash invested until investors receive distributions equal to cash invested, percentage paid management fee		50.00%
Percentage of cash paid to investors after investors have received distributions equal to cash invested		50.00%
Percentage of cash available paid as management fee after investors have received distributions equal to cash invested		50.00%
Percentage of profit distribution paid to investors after received distributions equal to cash invested		50.00%
Percentage of gross sales fee for use of service mark		3.00%
Surfside, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of cash available paid as management fee after investors have received distributions equal to cash invested		50.00%
Ownership percentage in LP		46.00%
Kendall, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of cash available paid as management fee after investors have received distributions equal to cash invested		50.00%
Ownership percentage in LP		41.00%
West Miami, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of cash available paid as management fee after investors have received distributions equal to cash invested		50.00%
Ownership percentage in LP		27.00%
Wellington, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of cash available paid as management fee after investors have received distributions equal to cash invested		50.00%
Ownership percentage in LP		28.00%
Pinecrest, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of cash available paid as management fee after investors have received distributions equal to cash invested		50.00%
Ownership percentage in LP		45.00%
Pembroke Pines, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of cash available paid as management fee after investors have received distributions equal to cash invested		50.00%
Ownership percentage in LP		24.00%
Davie, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of cash available paid as management fee after investors have received distributions equal to cash invested		50.00%
Ownership percentage in LP		49.00%
Miami, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of cash available paid as management fee after investors have received distributions equal to cash invested		50.00%
Ownership percentage in LP		5.00%
Limited Partnerships - Returned All Cash Invested [Member]
Schedule of Equity Method Investments [Line Items]
Number of restaurants		8
Limited Partnership [Member]
Schedule of Equity Method Investments [Line Items]
Number of restaurants | item		9
Sunrise, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Aggregate capital contributions made in limited partnership		$ 2,982,000
Capital contributions made for construction in progress in limited partnership		2,224,000
Miramar, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Aggregate capital contributions made in limited partnership		313,000
Capital contributions made for construction in progress in limited partnership		$ 260,000
Affiliated Entities [Member] | Surfside, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in LP		33.30%
Affiliated Entities [Member] | Kendall, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in LP		28.30%
Affiliated Entities [Member] | West Miami, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in LP		32.70%
Affiliated Entities [Member] | Wellington, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in LP		22.40%
Affiliated Entities [Member] | Pinecrest, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in LP		20.20%
Affiliated Entities [Member] | Pembroke Pines, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in LP		23.80%
Affiliated Entities [Member] | Davie, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in LP		12.30%
Affiliated Entities [Member] | Miami, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in LP		26.80%
Affiliated Entities [Member] | Sunrise, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Amount of net proceeds to be raised to be used for renovation of restaurant	$ 5,000,000
Affiliated Entities [Member] | Miramar, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Amount of net proceeds to be raised to be used for renovation of restaurant		$ 4,000,000
Non Affiliated Entities [Member] | Sunrise, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Area of land | ft²				6,900
Non Affiliated Entities [Member] | Miramar, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Area of land | ft²			6,000
Fort Lauderdale, Florida [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage		25.00%
Fort Lauderdale, Florida [Member] | Affiliated Entities [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in LP		31.90%