Note 9 - Segment Information and Disaggregated Revenue - Operations by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2021
Sales, net	$ 15,634	$ 17,072	$ 42,979	$ 46,501
Gross Profit	1,982	2,661	5,156	7,208
Depreciation	83	83	247	253
Capital Expenditures	143	33	451	150
Assets	27,697		27,697		$ 25,440
Contract Manufacturing [Member]
Sales, net	15,240	16,619	41,636	45,277
Gross Profit	1,840	2,550	4,691	6,875
Depreciation	82	82	244	250
Capital Expenditures	143	33	451	147
Assets	23,027		23,027		21,333
Other Nutraceutical Business [Member]
Sales, net	394	453	1,343	1,224
Gross Profit	142	111	465	333
Depreciation	1	1	3	3
Capital Expenditures	0	0	0	3
Assets	4,670		4,670		$ 4,107
UNITED STATES
Sales, net	13,072	14,739	35,840	40,951
UNITED STATES | Contract Manufacturing [Member]
Sales, net	12,686	14,311	34,559	39,803
UNITED STATES | Other Nutraceutical Business [Member]
Sales, net	386	428	1,281	1,148
Non-US [Member]
Sales, net	2,562	2,333	7,139	5,550
Non-US [Member] | Contract Manufacturing [Member]
Sales, net	2,554	2,308	7,077	5,474
Non-US [Member] | Other Nutraceutical Business [Member]
Sales, net	$ 8	$ 25	$ 62	$ 76