Note 8 - Segment Information and Disaggregated Revenue - Operations by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020
Sales, net	$ 15,172	$ 11,406
Gross Profit	2,373	1,399
Depreciation	83	91
Capital Expenditures	53	58
Assets	24,630		$ 22,944
Contract Manufacturing [Member]
Sales, net	14,786	10,984
Gross Profit	2,255	1,250
Depreciation	82	90
Capital Expenditures	50	58
Assets	21,429		19,581
Other Nutraceutical Business [Member]
Sales, net	386	422
Gross Profit	118	149
Depreciation	1	1
Capital Expenditures	3
Assets	3,201		$ 3,363
UNITED STATES
Sales, net	13,705	9,380
UNITED STATES | Contract Manufacturing [Member]
Sales, net	13,324	9,001
UNITED STATES | Other Nutraceutical Business [Member]
Sales, net	381	379
Non-US [Member]
Sales, net	1,467	2,026
Non-US [Member] | Contract Manufacturing [Member]
Sales, net	1,462	1,983
Non-US [Member] | Other Nutraceutical Business [Member]
Sales, net	$ 5	$ 43