Note 13 - Segment Information - Operations by Business Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Sales, net	$ 50,317	$ 50,672
Gross Profit	3,884	4,061
Depreciation	319	351
Capital Expenditures	553	116
Assets	26,207	25,431
Contract Manufacturing [Member]
Sales, net	48,568	48,277
Gross Profit	3,702	3,630
Depreciation	317	348
Capital Expenditures	550	109
Assets	20,830	19,507
Other Nutraceutical Business [Member]
Sales, net	1,749	2,395
Gross Profit	182	431
Depreciation	2	3
Capital Expenditures	3	7
Assets	5,377	5,924
UNITED STATES
Sales, net	42,344	42,617
UNITED STATES | Contract Manufacturing [Member]
Sales, net	40,622	40,230
UNITED STATES | Other Nutraceutical Business [Member]
Sales, net	1,722	2,387
Non-US [Member]
Sales, net	7,973	8,055
Non-US [Member] | Contract Manufacturing [Member]
Sales, net	7,946	8,047
Non-US [Member] | Other Nutraceutical Business [Member]
Sales, net	$ 27	$ 8