Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Jun. 28, 2020
Cash and Cash Equivalents [Abstract]
Restricted cash	$ 234		$ 234
Revenues [Abstract]
Revenues	$ 1,903	$ 2,876
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	108
Franchise Royalties [Member]
Revenues [Abstract]
Revenues	858	1,108
Supplier and Distributor Incentive Revenues [Member]
Revenues [Abstract]
Revenues	767	1,023
Franchise License Fees [Member]
Revenues [Abstract]
Revenues	102	211
Area Development Fees and Foreign Master License Fees [Member]
Revenues [Abstract]
Revenues	4	7
Advertising Funds [Member]
Revenues [Abstract]
Revenues	125	152
Supplier Convention Funds [Member]
Revenues [Abstract]
Revenues	0	215
Rental Income [Member]
Revenues [Abstract]
Revenues	48	41
Other [Member]
Revenues [Abstract]
Revenues	$ (1)	$ 11