Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Sale of ENTADFI Assets (Details Textual)

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Note 15 - Sale of ENTADFI Assets (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Apr. 24, 2024
Sep. 29, 2023
Apr. 19, 2023
Aug. 08, 2024
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Sep. 30, 2023
Proceeds from Sale of Productive Assets             $ 110,000 $ 6,000,000  
Noncash or Part Noncash Divestiture, Amount of Consideration Received             918,372 0  
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal         $ 110,000 $ 4,723,623 1,028,372 $ 4,723,623  
ENTADFI [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BWV Asset Purchase Agreement [Member]                  
Disposal Group, Including Discontinued Operation, Consideration     $ 20,000,000            
Proceeds from Sale of Productive Assets     6,000,000            
ENTADFI [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BWV Asset Purchase Agreement [Member] | Promissory Notes Receivable, Due September 30, 2023 [Member]                  
Disposal Group, Including Discontinued Operation, Consideration     4,000,000            
ENTADFI [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BWV Asset Purchase Agreement [Member] | Promissory Notes Receivable, Due April 19, 2024 [Member]                  
Disposal Group, Including Discontinued Operation, Consideration     5,000,000            
ENTADFI [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BWV Asset Purchase Agreement [Member] | Promissory Notes Receivable, Due September 30, 2024 [Member]                  
Disposal Group, Including Discontinued Operation, Consideration     5,000,000            
ENTADFI [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BWV Asset Purchase Agreement [Member] | Milestone Receivable [Member]                  
Disposal Group, Including Discontinued Operation, Consideration     80,000,000            
ENTADFI [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BWV Asset Purchase Agreement, Amended [Member]                  
Preferred Stock, Par or Stated Value Per Share (in dollars per share)   $ 1,000              
Preferred Stock, Convertible, Conversion Price (in dollars per share)   $ 0.5254              
Preferred Stock, Convertible, Shares Issuable (in shares)   5,709,935              
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal             $ 1,000,000   $ 5,700,000
ENTADFI [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BWV Asset Purchase Agreement, Amended [Member] | BWV Preferred Stock [Member]                  
Stock Issued During Period, Shares, Purchase of Assets (in shares)   3,000              
Noncash or Part Noncash Divestiture, Amount of Consideration Received   $ 900,000              
ENTADFI [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BWV Asset Purchase Agreement, Amended [Member] | Promissory Notes Receivable, Due September 30, 2023 [Member]                  
Proceeds from Collection of Notes Receivable   1,000,000              
ENTADFI [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BWV Asset Purchase Agreement, Amended [Member] | Promissory Notes Receivable, Due September 30, 2023 [Member] | Note Receivable, Settlement Terms [Member]                  
Disposal Group, Including Discontinued Operation, Consideration   4,000,000              
Proceeds from Collection of Notes Receivable   $ 1,000,000              
ENTADFI [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BWV Asset Purchase Agreement, Amended [Member] | Promissory Notes Receivable, Due April 19, 2024 [Member]                  
Proceeds from Collection of Notes Receivable $ 50,000       $ 110,000        
Notes Receivable, Percentage of Revenues 15.00%                
Notes Receivable, Percentage of Net Proceeds 10.00%                
Financing Receivable, before Allowance for Credit Loss     $ 5,000,000            
ENTADFI [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | BWV Asset Purchase Agreement, Amended [Member] | Promissory Notes Receivable, Due April 19, 2024 [Member] | Subsequent Event [Member]                  
Proceeds from Collection of Notes Receivable       $ 150,000