Note 9 - Significant Risks and Uncertainties (Details Textual) $ in Thousands	12 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019
Cash, FDIC Insured Amount	$ 250
Cash, Uninsured Amount	$ 70
Revenue Benchmark [Member] | Customer Concentration Risk [Member]
Number of Major Customers	2	2
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Contract Manufacturing [Member]
Number of Major Customers	2	2
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customers [Member]
Concentration Risk, Percentage	92.00%	91.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customers [Member] | Contract Manufacturing [Member]
Concentration Risk, Percentage	69.00%	26.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member]
Number of Major Customers	2	2
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Two Customers [Member]
Concentration Risk, Percentage	92.00%	88.00%
Revenue, Segment Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 1 [Member] | Branded Nutraceutical [Member]
Concentration Risk, Percentage	10.00%	13.00%
Number of Employees, Geographic Area [Member] | Unionized Employees Concentration Risk [Member]
Concentration Risk, Percentage	72.00%