v3.25.2
Note 20 - Subsequent Events (Details Textual)
 1 Months Ended 9 Months Ended
Aug. 14, 2025
USD ($)
$ / shares
shares
Aug. 04, 2025
shares
Aug. 01, 2025
$ / shares
Jul. 29, 2025
USD ($)
$ / shares
shares
Jul. 28, 2025
USD ($)
Jul. 22, 2025
Jun. 02, 2025
Apr. 11, 2025
Feb. 18, 2025
Sep. 17, 2024
Dec. 21, 2023
Aug. 11, 2023
May 04, 2023
Aug. 31, 2025
Aug. 14, 2025
USD ($)
$ / shares
shares
Aug. 11, 2025
shares
Jun. 30, 2025
USD ($)
$ / shares
shares
Jun. 30, 2024
USD ($)
Aug. 03, 2025
shares
Jul. 25, 2025
$ / shares
Sep. 30, 2024
USD ($)
$ / shares
shares
May 14, 2024
Jul. 26, 2022
$ / shares
Nov. 05, 2021
$ / shares
Preferred Stock, Par or Stated Value Per Share (in dollars per share)                                 $ 0.001       $ 0.001   $ 0.001  
Stock Issued During Period, Shares, Warrant Exercies (in shares) | shares                                 80,911              
Exercise of Warrant Liabilities | $                                 $ 112,386,589 $ 67,826,884            
Equity, Attributable to Parent | $                                 $ (107,905,041)       $ (28,556,026)      
Common Stock, Par or Stated Value Per Share (in dollars per share)                                 $ 0.001       $ 0.001     $ 0.001
Common Stock, Shares, Outstanding (in shares) | shares                                 99,568       1      
Reverse Stock Split [Member]                                                
Stockholders' Equity Note, Stock Split, Conversion Ratio   250         100 100 60 100 100 9 25                      
Senior Secured Convertible Notes One [Member]                                                
Debt Instrument, Face Amount | $ $ 10,500,000                           $ 10,500,000                  
Senior Secured Convertible Notes One [Member] | Minimum [Member]                                                
Debt Instrument, Convertible, Conversion Price (in dollars per share) $ 0.03                           $ 0.03                  
Senior Secured Convertible Notes Warrants [Member]                                                
Warrants and Rights Outstanding, Term (Year)                                           5 years    
Beneficial Owner, Ownership Percentage                                 9.90%         9.90%    
Warrants Issuable [Member] | Minimum [Member]                                                
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)                                 $ 0.01              
Subsequent Event [Member]                                                
Stock Issued During Period, Shares, Period Increase (Decrease) (in shares) | shares                               4,505,367                
Common Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.001                                 $ 0.001        
Common Stock, Shares, Outstanding (in shares) | shares   1,735,225                                 433,528,681          
Subsequent Event [Member] | Reverse Stock Split [Member]                                                
Stockholders' Equity Note, Stock Split, Conversion Ratio     250                     250                    
Subsequent Event [Member] | Conversion of Notes Principal and Interests into Series F Preferred Stock [Member]                                                
Debt Conversion, Original Debt, Amount | $       $ 25,500,000 $ 114,000,000                                      
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares       25,521                                        
Subsequent Event [Member] | Conversion of Senior Convertible Notes to Preferred Stock [Member]                                                
Debt Conversion, Original Debt, Amount | $ $ 5,000,000                                              
Subsequent Event [Member] | Equity Incentives Plan [Member]                                                
Equity Incentive Plan, Shares Available for Issuance, Quarterly Increase, Percentage           10.00%                                    
Subsequent Event [Member] | Series F Convertible Preferred Stock [Member]                                                
Preferred Stock, Par or Stated Value Per Share (in dollars per share)       $ 0.01                                        
Subsequent Event [Member] | Series G Convertible Preferred Stock [Member]                                                
Preferred Stock, Par or Stated Value Per Share (in dollars per share)       0.001                                        
Subsequent Event [Member] | Series F Preferred Stock [Member]                                                
Preferred Stock, Par or Stated Value Per Share (in dollars per share)       $ 1,000                                        
Preferred Stock, Shares Designated (in shares) | shares       25,600                                        
Preferred Stock, Covenant, Conversion Price, Percent of Closing Price of Common Stock       95.00%                                        
Preferred Stock, Covenant, Conversion Price, Percent of Five Day VWAP       95.00%                                        
Beneficial Owner, Ownership Percentage       9.90%                                        
Preferred Stock, Dividend Rate, Percentage       20.00%                                        
Preferred Stock, Covenant, Triggering Event, Maximum Amount of Indebtedness | $       $ 300,000                                        
Preferred Stock, Covenant, Monthly Late Charge, Percent       15.00%                                        
Subsequent Event [Member] | Series G Preferred Stock [Member]                                                
Preferred Stock, Par or Stated Value Per Share (in dollars per share)       $ 1,000                                        
Preferred Stock, Shares Designated (in shares) | shares       110,000                                        
Beneficial Owner, Ownership Percentage       9.90%                                        
Preferred Stock, Redemption Price Per Share (in dollars per share)       $ 0.001                                        
Subsequent Event [Member] | Series F-1 Preferred Stock [Member]                                                
Preferred Stock, Shares Designated (in shares) | shares       560                                        
Preferred Stock, Convertible, Conversion Price (in dollars per share)       $ 775                                        
Subsequent Event [Member] | Series F-2 Preferred Stock [Member]                                                
Preferred Stock, Shares Designated (in shares) | shares       1,700                                        
Preferred Stock, Convertible, Conversion Price (in dollars per share)       $ 1,150                                        
Subsequent Event [Member] | Series F-3 Preferred Stock [Member]                                                
Preferred Stock, Shares Designated (in shares) | shares       4,200                                        
Preferred Stock, Convertible, Conversion Price (in dollars per share)       $ 156,060                                        
Subsequent Event [Member] | Series F-4 Preferred Stock [Member]                                                
Preferred Stock, Shares Designated (in shares) | shares       1,700                                        
Preferred Stock, Convertible, Conversion Price (in dollars per share)       $ 3,401                                        
Subsequent Event [Member] | Series F-5 Preferred Stock [Member]                                                
Preferred Stock, Shares Designated (in shares) | shares       6,900                                        
Preferred Stock, Convertible, Conversion Price (in dollars per share)       $ 248,000                                        
Subsequent Event [Member] | Series F-5 Preferred Stock [Member] | Conversion of Senior Convertible Notes to Preferred Stock [Member]                                                
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares 572.36842                                              
Subsequent Event [Member] | Series F-6 Preferred Stock [Member]                                                
Preferred Stock, Shares Designated (in shares) | shares       2,325                                        
Preferred Stock, Convertible, Conversion Price (in dollars per share)       $ 642,000                                        
Subsequent Event [Member] | Series F-7 Preferred Stock [Member]                                                
Preferred Stock, Shares Designated (in shares) | shares       2,150                                        
Preferred Stock, Convertible, Conversion Price (in dollars per share)       $ 18,500                                        
Subsequent Event [Member] | Series F-7 Preferred Stock [Member] | Conversion of Senior Convertible Notes to Preferred Stock [Member]                                                
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares 3,421.88596                                              
Subsequent Event [Member] | Series F-8 Preferred Stock [Member]                                                
Preferred Stock, Shares Designated (in shares) | shares       1,715                                        
Preferred Stock, Convertible, Conversion Price (in dollars per share)       $ 51,400                                        
Subsequent Event [Member] | Series F-9 Preferred Stock [Member]                                                
Preferred Stock, Shares Designated (in shares) | shares       4,350                                        
Preferred Stock, Convertible, Conversion Price (in dollars per share)       $ 346,800,000                                        
Subsequent Event [Member] | Series F-9 Preferred Stock [Member] | Conversion of Senior Convertible Notes to Preferred Stock [Member]                                                
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares 734.7333                                              
Subsequent Event [Member] | Minimum [Member]                                                
Equity, Attributable to Parent | $ $ 2,500,000                           $ 2,500,000                  
Subsequent Event [Member] | Minimum [Member] | Reverse Stock Split [Member]                                                
Stockholders' Equity Note, Stock Split, Conversion Ratio           2                                    
Subsequent Event [Member] | Minimum [Member] | Series G Preferred Stock [Member]                                                
Preferred Stock, Convertible, Conversion Price (in dollars per share)       0.1                                        
Subsequent Event [Member] | Minimum [Member] | Series F-1 Preferred Stock [Member]                                                
Preferred Stock, Convertible, Conversion Price (in dollars per share)       0.02                                        
Subsequent Event [Member] | Minimum [Member] | Series F-2 Preferred Stock [Member]                                                
Preferred Stock, Convertible, Conversion Price (in dollars per share)       0.03                                        
Subsequent Event [Member] | Minimum [Member] | Series F-3 Preferred Stock [Member]                                                
Preferred Stock, Convertible, Conversion Price (in dollars per share)       0.05                                        
Subsequent Event [Member] | Minimum [Member] | Series F-4 Preferred Stock [Member]                                                
Preferred Stock, Convertible, Conversion Price (in dollars per share)       0.07                                        
Subsequent Event [Member] | Minimum [Member] | Series F-5 Preferred Stock [Member]                                                
Preferred Stock, Convertible, Conversion Price (in dollars per share)       0.08                                        
Subsequent Event [Member] | Minimum [Member] | Series F-6 Preferred Stock [Member]                                                
Preferred Stock, Convertible, Conversion Price (in dollars per share)       0.21                                        
Subsequent Event [Member] | Minimum [Member] | Series F-7 Preferred Stock [Member]                                                
Preferred Stock, Convertible, Conversion Price (in dollars per share)       0.37                                        
Subsequent Event [Member] | Minimum [Member] | Series F-8 Preferred Stock [Member]                                                
Preferred Stock, Convertible, Conversion Price (in dollars per share)       1.03                                        
Subsequent Event [Member] | Minimum [Member] | Series F-9 Preferred Stock [Member]                                                
Preferred Stock, Convertible, Conversion Price (in dollars per share)       $ 1.16                                        
Subsequent Event [Member] | Maximum [Member] | Reverse Stock Split [Member]                                                
Stockholders' Equity Note, Stock Split, Conversion Ratio           250                                    
Subsequent Event [Member] | Senior Secured Convertible Notes Warrants [Member]                                                
Warrants and Rights Outstanding, Term (Year) 5 years                           5 years                  
Subsequent Event [Member] | Senior Secured Convertible Notes Warrants One [Member]                                                
Class of Warrant or Right, Issued During Period (in shares) | shares                             5,986                  
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 4,000                           $ 4,000                  
Class of Warrant or Right, Exercise Floor Price, Cashless Exercise (in dollars per share) $ 0.01                           0.01                  
Subsequent Event [Member] | Exchange Agreement Warrants [Member]                                                
Stock Issued During Period, Shares, Warrant Exercies (in shares) | shares       109,219                                        
Subsequent Event [Member] | Then-outstanding Warrants [Member]                                                
Exercise of Warrant Liabilities | $ $ 5,000,000                                              
Subsequent Event [Member] | Then-outstanding Warrants [Member] | Series G Preferred Stock [Member]                                                
Stock Issued During Period, Shares, Warrant Exercies (in shares) | shares 6,361.27934                                              
Subsequent Event [Member] | Warrants Issuable [Member] | Minimum [Member]                                                
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 0.07                           0.07                  
Class of Warrant or Right, Minimum Stock Price Trigger for Change in Exercise Price (in dollars per share) 0.07                           0.07                  
Class of Warrant or Right, Exercise Price if Lower Than Stock Price Trigger (in dollars per share) $ 0.01                           $ 0.01