Note 8 - Segment Information and Disaggregated Revenue - Operations by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2021
Sales, net	$ 12,751	$ 15,172
Gross Profit	1,424	2,373
Depreciation	85	83
Capital Expenditures	131	53
Assets	24,336		$ 25,440
Contract Manufacturing [Member]
Sales, net	12,335	14,786
Gross Profit	1,301	2,255
Depreciation	84	82
Capital Expenditures	131	50
Assets	19,968		21,333
Other Nutraceutical Business [Member]
Sales, net	416	386
Gross Profit	123	118
Depreciation	1	1
Capital Expenditures	0	3
Assets	4,368		$ 4,107
UNITED STATES
Sales, net	10,531	13,705
UNITED STATES | Contract Manufacturing [Member]
Sales, net	10,145	13,324
UNITED STATES | Other Nutraceutical Business [Member]
Sales, net	386	381
Non-US [Member]
Sales, net	2,220	1,467
Non-US [Member] | Contract Manufacturing [Member]
Sales, net	2,190	1,462
Non-US [Member] | Other Nutraceutical Business [Member]
Sales, net	$ 30	$ 5