Note 5 - Significant Risks and Uncertainties (Details Textual)	3 Months Ended
	Sep. 30, 2026	Sep. 30, 2025
Revenue Benchmark [Member] \| Customer Concentration Risk [Member]
Number of Major Customers	2	2
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Other Nutraceutical Business [Member]
Number of Major Customers	3	3
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Two Customers [Member]
Concentration Risk, Percentage	88.00%	87.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Major Customer 1 [Member] \| Contract Manufacturing [Member]
Concentration Risk, Percentage	65.00%	71.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Major Customer 1 [Member] \| Other Nutraceutical Business [Member]
Concentration Risk, Percentage	36.00%	26.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Major Customer 2 [Member] \| Contract Manufacturing [Member]
Concentration Risk, Percentage	26.00%	20.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Major Customer 2 [Member] \| Other Nutraceutical Business [Member]
Concentration Risk, Percentage	19.00%	24.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Major Customer 3 [Member] \| Other Nutraceutical Business [Member]
Concentration Risk, Percentage	14.00%	14.00%
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	78.00%	81.00%
Number of Employees, Geographic Area [Member] \| Unionized Employees Concentration Risk [Member]
Concentration Risk, Percentage	77.00%