Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Series 1 and Series 2 Convertible Notes (Details Textual)

v3.22.4
Note 12 - Series 1 and Series 2 Convertible Notes (Details Textual)
12 Months Ended
Jul. 06, 2022
USD ($)
Jun. 22, 2020
USD ($)
shares
Jun. 03, 2020
USD ($)
shares
Jun. 30, 2015
$ / shares
Sep. 30, 2022
USD ($)
$ / shares
shares
Sep. 30, 2021
USD ($)
Jul. 07, 2022
USD ($)
Jun. 22, 2022
$ / shares
Nov. 06, 2020
USD ($)
$ / shares
shares
Jun. 04, 2020
USD ($)
$ / shares
Series 2 Notes Converted to Senior Secured Convertible Notes [Member]                    
Debt Conversion, Original Debt, Amount $ 699,780                  
Series D Warrant [Member]                    
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares       $ 50.00            
Series D Warrants [Member]                    
Proceeds from Warrant Exercises   $ 82,000 $ 850,000              
Class of Warrant or Right, Warrants Exercised | shares   2,273 23,636              
Series J Warrants [Member]                    
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares         $ 50.00     $ 50.00    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares   1,705     17,727       16,875  
Warrants and Rights Outstanding, Term         1 year          
Private Placement [Member]                    
Issuance or Sale of Equity, Number of Units       71,954            
Shares Issued, Price Per Share | $ / shares       $ 44.00            
Series 1 Convertible Notes [Member]                    
Debt Instrument, Interest Rate, Stated Percentage             10.00%     10.00%
Debt Instrument, Face Amount                   $ 550,000
Debt Instrument, Convertible, Conversion Price | $ / shares                   $ 54.00
Series 1 Convertible Notes [Member] | Maximum [Member]                    
Debt Instrument, Convertible, Conversion Price | $ / shares                   $ 64.00
Series 2 Convertible Notes [Member]                    
Debt Instrument, Face Amount                 $ 1,050,000  
Debt Instrument, Convertible, Conversion Price | $ / shares                 $ 50.00  
Convertible Debt, Total             $ 600,000      
Interest Payable             $ 100,000      
Series 1 & 2 Convertible Notes [Member]                    
Interest Expense, Debt, Total         $ 25,000 $ 40,000