Summary of Significant Accounting Policies - Total Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 29, 2026	Mar. 30, 2025	Mar. 29, 2026	Mar. 30, 2025
Summary of Significant Accounting Policies [Abstract]
Revenues	$ 3,223	$ 2,966	$ 9,478	$ 8,885
Franchise Royalties [Member]
Summary of Significant Accounting Policies [Abstract]
Revenues	1,184	1,156	3,495	3,420
Supplier and Distributor Incentive Revenues [Member]
Summary of Significant Accounting Policies [Abstract]
Revenues	1,449	1,230	4,085	3,578
Franchise License Fees [Member]
Summary of Significant Accounting Policies [Abstract]
Revenues	27	52	70	116
Area Development Exclusivity Fees and Foreign Master License Fees [Member]
Summary of Significant Accounting Policies [Abstract]
Revenues	3	3	9	10
Advertising Fund Contributions [Member]
Summary of Significant Accounting Policies [Abstract]
Revenues	548	514	1,598	1,480
Supplier Convention Funds [Member]
Summary of Significant Accounting Policies [Abstract]
Revenues	0	0	209	217
Rental Income [Member]
Summary of Significant Accounting Policies [Abstract]
Revenues	0	7	0	53
Other Franchise Revenue [Member]
Summary of Significant Accounting Policies [Abstract]
Revenues	$ 12	$ 4	$ 12	$ 11