Note 9 - Segment Information and Disaggregated Revenue - Operations by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Jun. 30, 2023
Sales, net	$ 13,147	$ 13,098	$ 37,571	$ 37,678
Gross Profit	1,248	1,008	2,600	3,075
Depreciation	77	86	232	267
Capital Expenditures	345	16	407	98
Assets	26,942		26,942		$ 25,431
Contract Manufacturing [Member]
Sales, net	12,750	12,597	36,240	35,840
Gross Profit	1,250	978	2,563	2,745
Depreciation	77	86	231	265
Capital Expenditures	345	16	404	98
Assets	21,097		21,097		19,507
Other Nutraceutical Business [Member]
Sales, net	397	501	1,331	1,838
Gross Profit	(2)	30	37	330
Depreciation	0	0	1	2
Capital Expenditures	0	0	3	0
Assets	5,845		5,845		$ 5,924
UNITED STATES
Sales, net	11,167	10,910	32,326	31,102
UNITED STATES | Contract Manufacturing [Member]
Sales, net	10,770	10,417	31,022	29,272
UNITED STATES | Other Nutraceutical Business [Member]
Sales, net	397	493	1,304	1,830
Non-US [Member]
Sales, net	1,980	2,188	5,245	6,576
Non-US [Member] | Contract Manufacturing [Member]
Sales, net	2,980	2,180	5,218	6,568
Non-US [Member] | Other Nutraceutical Business [Member]
Sales, net	$ 0	$ 8	$ 27	$ 8