Quarterly report pursuant to Section 13 or 15(d)

Note 11 - 2022 Convertible Note Offering, Second Notes Offering, and Third Notes Offering (Details Textual)

v3.23.2
Note 11 - 2022 Convertible Note Offering, Second Notes Offering, and Third Notes Offering (Details Textual)
3 Months Ended 6 Months Ended 10 Months Ended 12 Months Ended
Jun. 30, 2023
USD ($)
shares
Jan. 18, 2023
USD ($)
shares
Jul. 07, 2022
USD ($)
$ / shares
shares
Jul. 06, 2022
USD ($)
Mar. 31, 2023
USD ($)
Jun. 30, 2023
USD ($)
shares
Mar. 31, 2023
USD ($)
Nov. 08, 2023
USD ($)
Sep. 30, 2022
USD ($)
shares
Mar. 10, 2023
USD ($)
Nov. 06, 2020
USD ($)
$ / shares
Jun. 04, 2020
USD ($)
$ / shares
Stock Issued During Period, Shares, New Issues | shares           215,625            
Percentage of Principal Amount     15.00%                  
Proceeds from Issuance of Convertible Notes, Common Stock and Warrants, Gross $ 488,000 $ 530,000 $ 3,500,000                  
Debt Issuance Costs, Gross     775,000                  
Placement Agents Fees     $ 555,000         $ 15,000        
Proceeds from Issuance of Common Stock   $ 25,840                    
Series 2 Notes Converted to Senior Secured Convertible Notes [Member]                        
Debt Conversion, Original Debt, Amount       $ 699,781                
Inducement Shares 2022 [Member]                        
Proceeds from Issuance or Sale of Equity                 $ 314,523      
Third Inducement Shares [Member]                        
Proceeds from Issuance of Common Stock $ 18,394                      
Securities Purchase Agreement [Member]                        
Stock Issued During Period, Shares, New Issues | shares 10,608 9,598 63,834                  
Notes 2022 [Member]                        
Proceeds from Issuance of Private Placement     $ 2,400,000                  
Placement Agent 2022 [Member]                        
Percentage of Gross Proceeds from Issuance of Private Placement                 1000.00%      
Reimbursement of Non-accountable Banking Fees                 $ 58,000      
Placement Agent 2022 [Member] | Certain Investors [Member]                        
Payments of Stock Issuance Costs                 240,000      
Private Placement Notes [Member]                        
Proceeds from Issuance of Private Placement     $ 1,100,000                  
Placement Agent 2022, Second Notes [Member]                        
Proceeds from Issuance of Private Placement                 $ 500,000      
Percentage of Gross Proceeds from Issuance of Private Placement                 10.00%      
Gross Proceeds Required to Recognize Deferred Amounts                 $ 1,000,000      
Placement Agent 2022, Second Notes [Member] | Certain Investors [Member]                        
Payments of Stock Issuance Costs                 50,000      
Warrant Shares [Member]                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares     425,555                  
Placement Agent Warrant 2022 [Member]                        
Warrants and Rights Outstanding     $ 220,000                  
Second Warrants [Member]                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares   127,968                    
Long-Term Debt, Total   $ 256,439                    
Third Warrants [Member]                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares 141,396         141,396            
Long-Term Debt, Total $ 164,136                      
Warrant 2022 [Member]                        
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares     $ 9.94                  
Long-Term Debt, Total                 $ 1,470,133      
Placement Agent 2022 [Member]                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares                 31,510      
Placement Agent 2022, Second Notes [Member]                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares                 6,565      
Placement Agent Warrants [Member]                        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares 5,358         5,358            
Warrants and Rights Outstanding         $ 219,894   $ 219,894          
Second Placement Agent Warrants [Member]                        
Warrants and Rights Outstanding         28,093   28,093          
Notes 2022 [Member]                        
Debt Instrument, Face Amount     $ 4,230,000                  
Debt Instrument, Unamortized Discount     $ 705,000                  
Debt Instrument, Interest Rate, Stated Percentage 10.00%         10.00%            
Debt Instrument, Interest Rate for Amount of Principal or Interest Not Paid When Due 18.00%         18.00%            
Debt Instrument, Convertible, Conversion Price | $ / shares     $ 9.14                  
Debt Instrument, Convertible, Number of Equity Instruments     76,563                  
Long-Term Debt, Total         2,945,448   2,945,448   $ 1,662,492      
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net         1,284,552   1,284,552   2,567,508      
Notes 2022 [Member] | Minimum [Member]                        
Ownership Limitation     4.99%                  
Notes 2022 [Member] | Maximum [Member]                        
Ownership Limitation     9.99%                  
Second Notes [Member]                        
Debt Instrument, Face Amount   636,000                    
Debt Instrument, Unamortized Discount   $ 106,000                    
Long-Term Debt, Total $ 345,845       355,992 $ 345,845 355,992          
Long-Term Debt, Gross         247,721   247,721          
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net 290,155       346,728 290,155 346,728          
Third Notes [Member]                        
Debt Instrument, Face Amount 702,720         702,720            
Debt Instrument, Unamortized Discount 214,720         214,720            
Long-Term Debt, Gross $ 305,470         $ 305,470            
Senior Secured Convertible Notes [Member] | Board Member and Executive Officer [Member]                        
Proceeds from Convertible Debt                 $ 80,000      
Series 1 Convertible Notes [Member]                        
Debt Instrument, Face Amount                       $ 550,000
Debt Instrument, Interest Rate, Stated Percentage     10.00%                 10.00%
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                  
Debt Instrument, Failure to Complete Uplist Transaction Fee, Percentage of Outstanding Principal     125.00%                  
Debt Instrument, Additional Issuance, Product Rate                   2.4    
Debt Instrument, Approval of Extension, Percentage Purchase                   50.00%    
Debt Instrument, Approval of Extension, Purchase Above Percentage                   $ 1.00    
The 2022 Notes and Second Notes [Member]                        
Interest Expense, Debt         784,000   1,893,000          
Interest Payable         150,000   413,000          
Accretion of Debt Discount         634,000   1,480,000          
Senior Secured Convertible Promissory Notes [Member]                        
Long-Term Debt, Total         $ 1,740,344   $ 1,740,344