Note 9 - Segment Information and Disaggregated Revenue - Operations by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Jun. 30, 2024
Sales, net	$ 13,947	$ 13,147	$ 40,178	$ 37,571
Gross Profit	1,551	1,248	4,093	2,600
Depreciation	76	77	247	232
Capital Expenditures	116	345	201	407
Assets	25,656		25,656		$ 26,207
Contract Manufacturing [Member]
Sales, net	13,459	12,750	38,102	36,240
Gross Profit	1,522	1,250	3,497	2,563
Depreciation	76	77	246	231
Capital Expenditures	116	345	201	404
Assets	19,880		19,880		20,830
Other Nutraceutical Business [Member]
Sales, net	488	397	2,076	1,331
Gross Profit	29	(2)	596	37
Depreciation	0	0	1	1
Capital Expenditures	0	0	0	3
Assets	5,776		5,776		$ 5,377
UNITED STATES
Sales, net	10,719	11,167	32,410	32,326
UNITED STATES | Contract Manufacturing [Member]
Sales, net	10,231	10,770	30,334	31,022
UNITED STATES | Other Nutraceutical Business [Member]
Sales, net	488	397	2,076	1,304
Non-US [Member]
Sales, net	3,228	1,980	7,768	5,245
Non-US [Member] | Contract Manufacturing [Member]
Sales, net	3,228	1,980	7,768	5,218
Non-US [Member] | Other Nutraceutical Business [Member]
Sales, net	$ 0	$ 0	$ 0	$ 27