LEASES (Details)	12 Months Ended
	Jun. 27, 2021 USD ($) ft² Restaurant Lease	Jun. 28, 2020 USD ($)	Jan. 02, 2017
Lease [Abstract]
Area available for lease | ft²	19,576
Lease payment per square foot	$ 18.00
Percentage of monthly base rent elected to defer under lease agreement	50.00%
Operating Lease, Description [Abstract]
Number of subleases | Lease	2
Components of Total Lease Expense [Abstract]
Operating lease cost	$ 705,000
Sublease income	(200,000)
Total lease expense, net of sublease income	505,000
Supplemental Cash Flow Information Related to Operating Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities	755,000
Balance Sheet [Abstract]
Operating lease right of use assets, net	2,085,000	$ 3,567,000
Operating lease liabilities, current	465,000	632,000
Operating lease liabilities, net of current portion	$ 1,911,000	3,471,000
Weighted Average Remaining Lease Term and Discount Rate [Abstract]
Weighted average remaining lease term	4 years
Weighted average discount rate	4.00%
Maturities of Operating Lease Liabilities [Abstract]
2022	$ 551,000
2023	558,000
2024	511,000
2025	433,000
2026	382,000
Thereafter	191,000
Total operating lease payments	2,626,000
Less: imputed interest	(250,000)
Total operating lease liability	2,376,000
Future Minimum Operating Lease Liabilities [Abstract]
2022	1,168,000
2023	1,056,000
2024	844,000
2025	685,000
2026	490,000
Thereafter	364,000
Total operating lease payments	4,607,000
Sublease Rental Income [Abstract]
2022	175,000
2023	177,000
2024	128,000
2025	53,000
Total	533,000
Rental Expense [Abstract]
Minimum rentals	705,000	676,000
Sublease rentals	(200,000)	(168,000)
Rental expense	$ 505,000	$ 508,000
Maximum [Member]
Lease [Abstract]
Lease term			10 years
Information Technology Equipment [Member] | Minimum [Member]
Operating Lease, Description [Abstract]
Term of contract	1 year
Information Technology Equipment [Member] | Maximum [Member]
Operating Lease, Description [Abstract]
Term of contract	5 years
Office Agreements [Member] | Minimum [Member]
Operating Lease, Description [Abstract]
Term of contract	1 year
Office Agreements [Member] | Maximum [Member]
Operating Lease, Description [Abstract]
Term of contract	10 years
Restaurant Space Agreements [Member]
Operating Lease, Description [Abstract]
Number of company-owned restaurants | Restaurant	0
Restaurant Space Agreements [Member] | Minimum [Member]
Operating Lease, Description [Abstract]
Term of contract	1 year
Restaurant Space Agreements [Member] | Maximum [Member]
Operating Lease, Description [Abstract]
Term of contract	10 years
Company Owned Restaurants [Member] | Minimum [Member]
Lease [Abstract]
Lease term	5 years
Company Owned Restaurants [Member] | Maximum [Member]
Lease [Abstract]
Lease term	10 years