CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Treasury Stock [Member]	Total
Beginning balance at Jun. 27, 2021	$ 251	$ 37,215	$ (7,196)	$ (24,537)	$ 5,733
Beginning balance (in shares) at Jun. 27, 2021	25,090,000
Treasury stock (in shares) at Jun. 27, 2021				(7,085,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation expense	$ 0	169	0	$ 0	169
Purchase of treasury stock	$ 0	0	0	$ (512)	(512)
Purchase of treasury stock (in shares)	0			(494,000)
Net income	$ 0	0	8,022	$ 0	8,022
Ending balance at Jun. 26, 2022	$ 251	37,384	826	$ (25,049)	$ 13,412
Ending balance (in shares) at Jun. 26, 2022	25,090,000				25,090,058
Treasury stock (in shares) at Jun. 26, 2022				(7,579,000)	(7,578,628)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation expense	$ 0	345	0	$ 0	$ 345
Purchase of treasury stock	$ 0	0	0	$ (4,979)	(4,979)
Purchase of treasury stock (in shares)	0			(3,357,000)
Net income	$ 0	0	1,613	$ 0	1,613
Ending balance at Jun. 25, 2023	$ 251	$ 37,729	$ 2,439	$ (30,028)	$ 10,391
Ending balance (in shares) at Jun. 25, 2023	25,090,000				25,090,058
Treasury stock (in shares) at Jun. 25, 2023				(10,936,000)	(10,935,605)