Note 9 - Segment Information and Disaggregated Revenue - Operations by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021
Sales, net	$ 14,594	$ 14,257	$ 27,345	$ 29,429
Gross Profit	1,750	2,174	3,174	4,547
Depreciation	79	87	164	170
Capital Expenditures	177	64	308	117
Assets	27,071		27,071		$ 25,440
Contract Manufacturing [Member]
Sales, net	14,062	13,872	26,397	28,658
Gross Profit	1,550	2,069	2,851	4,325
Depreciation	78	86	162	168
Capital Expenditures	177	64	308	114
Assets	22,183		22,183		21,333
Other Nutraceutical Business [Member]
Sales, net	532	385	948	771
Gross Profit	200	105	323	222
Depreciation	1	1	2	2
Capital Expenditures	0	0	0	3
Assets	4,888		4,888		$ 4,107
UNITED STATES
Sales, net	12,261	12,507	22,792	26,212
UNITED STATES | Contract Manufacturing [Member]
Sales, net	11,729	12,168	21,874	25,492
UNITED STATES | Other Nutraceutical Business [Member]
Sales, net	532	339	918	720
Non-US [Member]
Sales, net	2,333	1,750	4,553	3,217
Non-US [Member] | Contract Manufacturing [Member]
Sales, net	2,333	1,704	4,523	3,166
Non-US [Member] | Other Nutraceutical Business [Member]
Sales, net	$ 0	$ 46	$ 30	$ 51