General form of registration statement for all companies including face-amount certificate companies

Note 11 - Series 1 and Series 2 Convertible Notes (Details Textual)

v3.23.3
Note 11 - Series 1 and Series 2 Convertible Notes (Details Textual)
3 Months Ended 9 Months Ended 12 Months Ended
Jul. 06, 2022
USD ($)
Jun. 22, 2020
USD ($)
shares
Jun. 03, 2020
USD ($)
shares
Jun. 30, 2015
$ / shares
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
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
Warrants and Rights Outstanding, Term         5 years   5 years              
Series 2 Notes Converted to Senior Secured Convertible Notes [Member]                            
Debt Conversion, Original Debt, Amount $ 699,781                          
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                     $ 600,000      
Interest Payable                     $ 100,000      
Series 1 & 2 Convertible Notes [Member]                            
Interest Expense, Debt         $ 25,000 $ 40,000 $ 75,000 $ 120,000 $ 146,000 $ 150,000