Note H - Segment Information - Assets by Business Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jul. 01, 2019	Jun. 30, 2019
Total assets	$ 118,355	$ 114,264	$ 93,490
Private Label Contract Manufacturing [Member]
Total assets	97,113		74,431
Patent and Trademark Licensing [Member]
Total assets	$ 21,242		$ 19,059