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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 28, 2021	Mar. 29, 2020	Mar. 28, 2021	Mar. 29, 2020	Jun. 28, 2020
Cash and Cash Equivalents [Abstract]
Restricted cash	$ 0		$ 0		$ 234
Revenues [Abstract]
Revenues	2,183	$ 2,705	$ 6,214	$ 8,411
Minimum [Member]
Franchise Revenues [Abstract]
Amortization term of franchise license fees			13 years
Maximum [Member]
Franchise Revenues [Abstract]
Amortization term of franchise license fees			39 years
Restaurant Sales [Member]
Revenues [Abstract]
Revenues	0	36	$ 0	240
Franchise Royalties [Member]
Revenues [Abstract]
Revenues	933	948	2,638	3,084
Supplier and Distributor Incentive Revenues [Member]
Revenues [Abstract]
Revenues	916	1,085	2,491	3,141
Franchise License Fees [Member]
Revenues [Abstract]
Revenues	79	175	261	796
Area Development Fees and Foreign Master License Fees [Member]
Revenues [Abstract]
Revenues	9	4	17	16
Advertising Funds [Member]
Revenues [Abstract]
Revenues	194	391	469	675
Supplier Convention Funds [Member]
Revenues [Abstract]
Revenues	0	0	177	278
Rental Income [Member]
Revenues [Abstract]
Revenues	52	54	152	144
Other [Member]
Revenues [Abstract]
Revenues	$ 0	$ 12	$ 9	$ 37

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- Definition

Amortization period for the franchise revenues agreement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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