CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Beginning balance at Jun. 26, 2022	$ 251	$ 37,384	$ 826	$ (25,049)	$ 13,412
Beginning balance (in shares) at Jun. 26, 2022	25,090,000
Treasury stock (in shares) at Jun. 26, 2022				(7,579,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	86	0	$ 0	86
Purchase of treasury stock	$ 0	0	0	$ (1,384)	(1,384)
Purchase of treasury stock (in shares)	0			(1,111,000)
Net income	$ 0	0	307	$ 0	307
Ending balance at Sep. 25, 2022	$ 251	37,470	1,133	$ (26,433)	12,421
Ending balance (in shares) at Sep. 25, 2022	25,090,000
Treasury stock (in shares) at Sep. 25, 2022				(8,690,000)
Beginning balance at Jun. 26, 2022	$ 251	37,384	826	$ (25,049)	13,412
Beginning balance (in shares) at Jun. 26, 2022	25,090,000
Treasury stock (in shares) at Jun. 26, 2022				(7,579,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income					655
Ending balance at Dec. 25, 2022	$ 251	37,557	1,481	$ (30,028)	9,261
Ending balance (in shares) at Dec. 25, 2022	25,090,000
Treasury stock (in shares) at Dec. 25, 2022				(10,936,000)
Beginning balance at Sep. 25, 2022	$ 251	37,470	1,133	$ (26,433)	12,421
Beginning balance (in shares) at Sep. 25, 2022	25,090,000
Treasury stock (in shares) at Sep. 25, 2022				(8,690,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	87	0	$ 0	87
Purchase of treasury stock	$ 0	0	0	$ (3,595)	(3,595)
Purchase of treasury stock (in shares)	0			(2,246,000)
Net income	$ 0	0	348	$ 0	348
Ending balance at Dec. 25, 2022	$ 251	37,557	1,481	$ (30,028)	9,261
Ending balance (in shares) at Dec. 25, 2022	25,090,000
Treasury stock (in shares) at Dec. 25, 2022				(10,936,000)
Beginning balance at Jun. 25, 2023	$ 251	37,729	2,439	$ (30,028)	$ 10,391
Beginning 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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	79	0	$ 0	$ 79
Net income	0	0	386	0	386
Ending balance at Sep. 24, 2023	$ 251	37,808	2,825	$ (30,028)	10,856
Ending balance (in shares) at Sep. 24, 2023	25,090,000
Treasury stock (in shares) at Sep. 24, 2023				(10,936,000)
Beginning balance at Jun. 25, 2023	$ 251	37,729	2,439	$ (30,028)	$ 10,391
Beginning 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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income					$ 939
Ending balance at Dec. 24, 2023	$ 255	37,496	3,378	$ (30,028)	$ 11,101
Ending balance (in shares) at Dec. 24, 2023	25,522,000				25,522,171
Treasury stock (in shares) at Dec. 24, 2023				(10,936,000)	(10,935,605)
Beginning balance at Sep. 24, 2023	$ 251	37,808	2,825	$ (30,028)	$ 10,856
Beginning balance (in shares) at Sep. 24, 2023	25,090,000
Treasury stock (in shares) at Sep. 24, 2023				(10,936,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	3	0	$ 0	3
Purchase of treasury stock	$ 0	0	0	$ 0	0
Purchase of treasury stock (in shares)	0			0
RSU vested and taxes paid on RSUs	$ 4	(315)	0	$ 0	(311)
RSU vested and taxes paid on RSUs (in shares)	432,000			0
Net income	$ 0	0	553	$ 0	553
Ending balance at Dec. 24, 2023	$ 255	$ 37,496	$ 3,378	$ (30,028)	$ 11,101
Ending balance (in shares) at Dec. 24, 2023	25,522,000				25,522,171
Treasury stock (in shares) at Dec. 24, 2023				(10,936,000)	(10,935,605)