Note P - Lease Liabilities - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 28, 2018	Dec. 29, 2017	Dec. 28, 2018	Dec. 29, 2017
Amortization of right-of-use assets	$ 1	$ 1	$ 1	$ 1
Operating lease cost	850	665	1,730	1,298
Short-term lease cost	12	18	22	51
Variable lease cost	(3)		5	2
Total lease cost	860	684	1,758	1,352
Less: Sublease income	(1)	(98)	(17)	(151)
Net lease cost	$ 859	$ 586	$ 1,741	$ 1,201