Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 27, 2020	Dec. 29, 2019	Dec. 27, 2020	Dec. 29, 2019	Jun. 28, 2020
Cash and Cash Equivalents [Abstract]
Restricted cash	$ 235		$ 235		$ 234
Revenues [Abstract]
Revenues	2,128	$ 2,830	$ 4,031	$ 5,706
Minimum [Member]
Franchise Revenues [Abstract]
Amortization term of franchise license fees			5 years
Maximum [Member]
Franchise Revenues [Abstract]
Amortization term of franchise license fees			20 years
Restaurant Sales [Member]
Revenues [Abstract]
Revenues	0	96	$ 0	204
Franchise Royalties [Member]
Revenues [Abstract]
Revenues	847	1,028	1,705	2,136
Supplier and Distributor Incentive Revenues [Member]
Revenues [Abstract]
Revenues	808	1,033	1,575	2,056
Franchise License Fees [Member]
Revenues [Abstract]
Revenues	80	410	182	621
Area Development Exclusivity Fees and Foreign Master License Fees [Member]
Revenues [Abstract]
Revenues	4	6	8	13
Advertising Funds [Member]
Revenues [Abstract]
Revenues	150	132	275	284
Supplier Convention Funds [Member]
Revenues [Abstract]
Revenues	177	63	177	278
Rental Income [Member]
Revenues [Abstract]
Revenues	52	48	100	89
Other [Member]
Revenues [Abstract]
Revenues	$ 10	$ 14	$ 9	$ 25