Note N - Segment Information - Assets by Business Segment (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jul. 01, 2019	Jun. 30, 2019
Total assets	$ 120,203	$ 114,264	$ 93,490
Private Label Contract Manufacturing [Member]
Total assets	100,094		74,431
Patent and Trademark Licensing [Member]
Total assets	$ 20,109		$ 19,059