Note E - Business Segments - Revenues by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 27, 2019	Sep. 28, 2018
Net sales	$ 59,290	$ 74,689
Net income (loss)	(6,311)	2,862
Intersegment Eliminations [Member]
Net sales	(17,699)	(17,143)
Corporate, Non-Segment [Member]
Net income (loss)	(2,548)	(5,238)
Manufacturing Segment [Member] | Operating Segments [Member]
Net sales	54,561	68,912
Net income (loss)	(4,855)	7,235
Manufacturing Segment [Member] | Intersegment Eliminations [Member]
Net sales	(13,830)	(14,749)
Distribution Segment [Member] | Operating Segments [Member]
Net sales	22,428	22,920
Net income (loss)	1,092	865
Distribution Segment [Member] | Intersegment Eliminations [Member]
Net sales	$ (3,869)	$ (2,394)