Note 8 - Segment Information and Disaggregated Revenue - Operations by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Sales, net	$ 13,631	$ 14,088	$ 39,234	$ 36,393
Gross Profit	1,852	2,093	5,277	4,643
Depreciation	79	69	239	201
Capital Expenditures	57	63	158	350
Contract Manufacturing [Member]
Sales, net	13,333	13,788	38,121	35,396
Gross Profit	1,772	1,994	4,949	4,323
Depreciation	78	68	237	199
Capital Expenditures	49	63	150	350
Branded Proprietary Products [Member]
Sales, net	3	17	17	155
Gross Profit	(36)	7	(67)	49
Depreciation
Capital Expenditures	2		2
Other Nutraceutical Business [Member]
Sales, net	295	283	1,096	842
Gross Profit	116	92	395	271
Depreciation	1	1	2	2
Capital Expenditures	6		6
UNITED STATES
Sales, net	11,058	12,210	32,316	32,002
UNITED STATES | Contract Manufacturing [Member]
Sales, net	10,775	11,913	31,277	31,066
UNITED STATES | Branded Proprietary Products [Member]
Sales, net	1	14	5	133
UNITED STATES | Other Nutraceutical Business [Member]
Sales, net	282	283	1,034	803
Non-US [Member]
Sales, net	2,573	1,878	6,918	4,391
Non-US [Member] | Contract Manufacturing [Member]
Sales, net	2,558	1,875	6,844	4,330
Non-US [Member] | Branded Proprietary Products [Member]
Sales, net	2	3	12	22
Non-US [Member] | Other Nutraceutical Business [Member]
Sales, net	$ 13		$ 62	$ 39