Note N - Lease Liabilities - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 25, 2020	Dec. 31, 2021	Dec. 25, 2020
Amortization of right-of-use assets	$ 168	$ 148	$ 331	$ 267
Interest on lease liabilities	71	17	142	35
Operating lease cost	698	795	1,391	1,557
Short-term lease cost	37	3	40	12
Variable lease cost	42	15	81	31
Total lease cost	1,016	978	1,985	1,902
Less: Sublease income	(19)	(56)	(39)	(112)
Net lease cost	$ 997	$ 922	$ 1,946	$ 1,790