Note N - Lease Liabilities - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 25, 2020	Dec. 27, 2019	Dec. 25, 2020	Dec. 27, 2019
Amortization of right-of-use assets	$ 148	$ 43	$ 267	$ 79
Interest on lease liabilities	17	13	35	25
Operating lease cost	795	815	1,557	1,596
Short-term lease cost	3	9	12	26
Variable lease cost	15	8	31	24
Total lease cost	978	888	1,902	1,750
Less: Sublease income	(56)	(54)	(112)	(107)
Net lease cost	$ 922	$ 834	$ 1,790	$ 1,643