Note 13 - Segment Information - Operations by Business Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Sales, net	$ 52,769	$ 49,977
Gross Profit	6,727	6,222
Depreciation	312	288
Capital Expenditures	230	414
Total Assets	22,944	19,790
Contract Manufacturing [Member]
Sales, net	51,326	48,442
Gross Profit	6,427	5,780
Depreciation	310	286
Capital Expenditures	221	413
Total Assets	19,581	17,580
Other Nutraceutical Business [Member]
Sales, net	1,443	1,535
Gross Profit	300	442
Depreciation	2	2
Capital Expenditures	9	1
Total Assets	3,363	2,210
UNITED STATES
Sales, net	44,296	43,170
UNITED STATES | Contract Manufacturing [Member]
Sales, net	42,944	41,817
UNITED STATES | Other Nutraceutical Business [Member]
Sales, net	1,352	1,353
Non-US [Member]
Sales, net	8,473	6,807
Non-US [Member] | Contract Manufacturing [Member]
Sales, net	8,382	6,625
Non-US [Member] | Other Nutraceutical Business [Member]
Sales, net	$ 91	$ 182