Note 9 - Significant Risks and Uncertainties (Details Textual) $ in Thousands	12 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021
Cash, FDIC Insured Amount	$ 250
Cash, Uninsured Amount	$ 177
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] | Other Nutraceutical Business [Member]
Number of Major Customers	2	2
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customers [Member]
Concentration Risk, Percentage	90.00%	92.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 1 [Member] | Contract Manufacturing [Member]
Concentration Risk, Percentage	67.00%	69.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 1 [Member] | Branded Nutraceutical [Member]
Concentration Risk, Percentage	40.00%	1.00%
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	19.00%	30.00%
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	70.00%	93.00%
Revenue, Segment Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 1 [Member] | Branded Nutraceutical [Member]
Concentration Risk, Percentage	10.00%
Number of Employees, Geographic Area [Member] | Unionized Employees Concentration Risk [Member]
Concentration Risk, Percentage	72.00%