Note 13 - Commitments and Contingencies (Details Textual) - Tris Karbinal Agreement [Member]	6 Months Ended
	Dec. 31, 2024 USD ($)
Supply and Distribution Commitment, Period (Year)	20 years
Supply and Distribution Commitment, Royalty, Percentage of Net Sales	23.50%
Supply and Distribution Agreement, Minimum Sales Per Year	70,000
Supply and Distribution Agreement, Royalty Make Whole Payment Under Annual Minimum Sales Commitment, Per Unit	$ 30
Supply and Distribution Agreement, Maximum Milestone Obligations	3,000,000
Supply and Distribution Agreement, First Milestone, Minimum Net Revenues	40,000,000
Maximum [Member]
Supply and Distribution Agreement, Royalty Make Whole Payment Under Annual Minimum Sales Commitment, Per Unit	$ 2,100,000