Note N - Lease Liabilities - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 27, 2019	Dec. 28, 2018	Dec. 27, 2019	Dec. 28, 2018
Amortization of right-of-use assets	$ 43	$ 1	$ 79	$ 1
Interest on lease liabilities	13		25
Operating lease cost	815	850	1,596	1,730
Short-term lease cost	9	12	26	22
Variable lease cost	8	(3)	24	5
Total lease cost	888	860	1,750	1,758
Less: Sublease income	(54)	(1)	(107)	(17)
Net lease cost	$ 834	$ 859	$ 1,643	$ 1,741