Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 29, 2018	Jun. 29, 2017	Mar. 30, 2017
Allowance for doubtful accounts for accounts receivable, current	$ 286	$ 263	$ 232
Accumulated depreciation of rental investment property	10,233	9,639	9,441
Current maturities of long-term debt, related party debt	4,332	474	465
Unamortized debt issuance costs, current	47	55	58
Accounts payable, related party payables	0	178	186
Related party debt, Non-current	16,596	10,584	10,706
Unamortized debt issuance costs, noncurrent	$ 89	$ 124	$ 136
Treasury stock, shares	117,900	117,900	117,900
Class A Common Stock [Member]
Common stock, par value	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000	10,000,000
Common stock, shares issued	2,597,426	2,597,426	2,597,426
Common stock, shares outstanding	2,597,426	2,597,426	2,597,426
Common Stock, Non-Cumulative Voting Rights of One Vote Per Share [Member]
Common stock, par value	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	17,000,000	17,000,000	17,000,000
Common stock, shares issued	8,865,475	8,801,641	8,801,641