Note E - Business Segments - Revenues by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 30, 2016	Dec. 25, 2015	Dec. 30, 2016	Dec. 25, 2015
Net sales	$ 33,672	$ 44,829	$ 69,507	$ 82,201
Net loss	(2,912)	(2,301)	(5,608)	(6,624)
Corporate, Non-Segment [Member]
Net loss	(1,949)	(1,079)	(3,496)	(3,108)
Manufacturing Segment [Member] | Operating Segments [Member]
Net sales	29,472	38,518	59,971	67,575
Net loss	(1,459)	(1,317)	(2,879)	(4,164)
Manufacturing Segment [Member] | Intersegment Eliminations [Member]
Net sales	(8,229)	(9,401)	(16,355)	(17,879)
Distribution Segment [Member] | Operating Segments [Member]
Net sales	14,291	17,544	29,686	38,268
Net loss	496	95	767	648
Distribution Segment [Member] | Intersegment Eliminations [Member]
Net sales	$ (1,862)	$ (1,832)	$ (3,795)	$ (5,763)