Note 5 - Significant Risks and Uncertainties (Details Textual)	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Revenue Benchmark [Member] | Customer Concentration Risk [Member]
Number of Major Customers	2	2	2		2
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Other Nutraceutical Business [Member]
Number of Major Customers	2	2	2		2
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customers [Member]
Concentration Risk, Percentage	90.00%	91.00%	88.00%		90.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 1 [Member] | Contract Manufacturing [Member]
Concentration Risk, Percentage	70.00%	73.00%	66.00%		69.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 1 [Member] | Other Nutraceutical Business [Member]
Concentration Risk, Percentage	81.00%	34.00%	66.00%		23.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 2 [Member] | Contract Manufacturing [Member]
Concentration Risk, Percentage	25.00%	21.00%	27.00%		25.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Major Customer 2 [Member] | Other Nutraceutical Business [Member]
Concentration Risk, Percentage	1.00%	23.00%	15.00%		27.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Two Customers [Member]
Concentration Risk, Percentage			87.00%	70.00%
Number of Major Customers			2		2
Number of Employees, Geographic Area [Member] | Unionized Employees Concentration Risk [Member]
Concentration Risk, Percentage			75.00%