Note E - Business Segments - Revenues by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 25, 2016	Mar. 31, 2017	Mar. 25, 2016
Net sales	$ 45,084	$ 41,434	$ 114,591	$ 123,635
Net loss	(1,849)	(963)	(7,456)	(7,586)
Corporate, Non-Segment [Member]
Net loss	(2,315)	124	(5,810)	(2,983)
Manufacturing Segment [Member] | Operating Segments [Member]
Net sales	39,793	35,860	99,764	103,435
Net loss	(213)	(758)	(3,092)	(4,922)
Manufacturing Segment [Member] | Intersegment Eliminations [Member]
Net sales	(9,427)	(10,155)	(25,782)	(28,034)
Distribution Segment [Member] | Operating Segments [Member]
Net sales	17,596	18,572	47,282	56,840
Net loss	679	(329)	1,446	319
Distribution Segment [Member] | Intersegment Eliminations [Member]
Net sales	$ (2,878)	$ (2,843)	$ (6,673)	$ (8,606)