Note 8 - Segment Information and Disaggregated Revenue - Operations by Business Segment (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Sales, net	$ 14,197,000	$ 12,001,000	$ 25,603,000	$ 22,305,000
Gross Profit	2,026,000	1,330,000	3,425,000	2,549,000
Depreciation	69,000	66,000	160,000	132,000
Capital Expenditures	43,000	269,000	101,000	287,000
Contract Manufacturing [Member]
Sales, net	13,804,000	11,756,000	24,788,000	21,608,000
Gross Profit	1,927,000	1,246,000	3,177,000	2,328,000
Depreciation	69,000	66,000	159,000	131,000
Capital Expenditures	43,000	269,000	101,000	287,000
Branded Proprietary Products [Member]
Sales, net	2,000	60,000	14,000	138,000
Gross Profit	(27,000)	21,000	(30,000)	42,000
Depreciation
Capital Expenditures
Other Nutraceutical Business [Member]
Sales, net	391,000	185,000	801,000	559,000
Gross Profit	126,000	63,000	278,000	179,000
Depreciation			1,000	1,000
Capital Expenditures
UNITED STATES
Sales, net	11,878,000	10,727,000	21,258,000	19,792,000
UNITED STATES | Contract Manufacturing [Member]
Sales, net	11,501,000	10,498,000	20,502,000	19,153,000
UNITED STATES | Branded Proprietary Products [Member]
Sales, net	2,000	48,000	4,000	119,000
UNITED STATES | Other Nutraceutical Business [Member]
Sales, net	375,000	181,000	752,000	520,000
Non-US [Member]
Sales, net	2,319,000	1,274,000	4,345,000	2,513,000
Non-US [Member] | Contract Manufacturing [Member]
Sales, net	2,303,000	1,258,000	4,286,000	2,455,000
Non-US [Member] | Branded Proprietary Products [Member]
Sales, net		12,000	10,000	19,000
Non-US [Member] | Other Nutraceutical Business [Member]
Sales, net	$ 16,000	$ 4,000	$ 49,000	$ 39,000