Note 9 - Significant Risks and Uncertainties (Details Textual) $ in Thousands	12 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2018
Cash, FDIC Insured Amount	$ 250
Cash, Uninsured Amount	$ 166
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	91.00%	91.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 1 [Member] | Contract Manufacturing [Member]
Concentration Risk, Percentage	69.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 1 [Member] | Branded Nutraceutical [Member]
Concentration Risk, Percentage	15.00%	10.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 2 [Member] | Contract Manufacturing [Member]
Concentration Risk, Percentage	26.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 2 [Member] | Branded Nutraceutical [Member]
Concentration Risk, Percentage	12.00%	5.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Major Customer 1 [Member]
Concentration Risk, Percentage	88.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Major Customer 2 [Member]
Concentration Risk, Percentage		87.00%
Number of Employees, Geographic Area [Member] | Unionized Employees Concentration Risk [Member]
Concentration Risk, Percentage	71.00%