v3.25.1
Note 9 - Other Liabilities (Details Textual)
 12 Months Ended
Jun. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Jun. 30, 2023
USD ($)
Fixed Payment Arrangements $ 8,337,000   $ 10,420,000
Employee Retention Credit 3,759,000   $ 0
Other Noncurrent Liabilities [Member]      
Employee Retention Credit $ 3,800,000 $ 3,800,000  
Tris Karbinal Agreement [Member]      
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 Yearly Make-whole Payment 2,100,000    
Supply and Distribution Agreement, Maximum Milestone Obligations 3,000,000    
Supply and Distribution Agreement, First Milestone, Minimum Net Revenues 40,000,000    
Tris Karbinal Agreement [Member] | Other Current Liabilities [Member]      
Settlement Liabilities, Current 6,200,000    
Fixed Payment Arrangements 1,900,000    
Tris Karbinal Agreement [Member] | Other Noncurrent Liabilities [Member]      
Fixed Payment Arrangements $ 200,000