Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Convertible Notes Payable, Unsecured (Details Textual)

v3.24.1.u1
Note 5 - Convertible Notes Payable, Unsecured (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 12, 2024
Jan. 31, 2023
Jan. 31, 2023
Jul. 31, 2022
May 31, 2023
Sep. 30, 2023
Mar. 31, 2024
Feb. 14, 2024
Jan. 31, 2024
Jan. 01, 2023
Nov. 06, 2020
The Second Offering [Member]                      
Payment of Financing and Stock Issuance Costs     $ 31,000                
Third Closing Notes [Member]                      
Payment of Financing and Stock Issuance Costs         $ 5,000            
Securities Purchase Agreement [Member]                      
Stock Issued During Period, Shares, New Issues   9,598   63,834 10,608            
Stock Issued During Period, Value, New Issues   $ 26,000   $ 315,000 $ 18,000            
Second Warrants [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   127,968 127,968                
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 9.94 $ 9.94                
Warrants and Rights Outstanding, Term   5 years 5 years                
Warrants and Rights Outstanding   $ 256,000 $ 256,000                
Placement Agent Warrants [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   6,565 6,565 31,510              
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 10.06 $ 10.06 $ 10.06              
Warrants and Rights Outstanding, Term   5 years 5 years 5 years              
Warrants and Rights Outstanding   $ 13,000 $ 13,000 $ 108,000              
Prefunded Warrants [Member]                      
Class of Warrant or Right, Exercise Price of Warrants or Rights                 $ 0.001    
Warrants and Rights Outstanding, Term                 5 years    
Additional Warrants [Member]                      
Warrants and Rights Outstanding             $ 148,891        
Third Warrants [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         141,396            
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 9.94            
Warrants and Rights Outstanding, Term         5 years            
Warrants and Rights Outstanding         $ 164,000            
Additional Common Warrants [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights             130,383        
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 9.94        
Additional Prefunded Warrants [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights             9,782        
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 0.001        
Series 2 Notes Converted to Senior Secured Convertible Notes [Member]                      
Debt Instrument, Face Amount       699,781              
Series 2 Convertible Notes [Member]                      
Debt Conversion, Original Debt, Amount           $ 600,000          
Interest Payable       99,781              
Debt Instrument, Face Amount                     $ 450,000
Notes 2022 [Member]                      
Debt Instrument, Face Amount       $ 4,230,000              
Debt Instrument, Interest Rate, Stated Percentage       10.00%              
Debt Instrument, Convertible, Conversion Price       $ 9.14              
Debt Instrument, Unamortized Discount       $ 705,000   710,897          
Reclassification of Exchanged Notes Included in Notes Payable to Unsecured Convertible Notes                      
Debt Instrument, Unamortized Discount           $ 0 $ 0        
Unsecured Convertible Notes [Member]                      
Debt Instrument, Face Amount $ 648,000 636,000 636,000   $ 703,000            
Debt Instrument, Interest Rate, Stated Percentage 10.00%       10.00%         10.00%  
Debt Instrument, Convertible, Conversion Price $ 9.14       $ 9.14         $ 9.14  
Debt Instrument, Unamortized Discount $ 198,000 $ 106,000 106,000   $ 215,000            
Proceeds from Convertible Debt $ 450,000   $ 530,000   $ 488,000            
Second Closing Notes [Member]                      
Debt Instrument, Convertible, Conversion Price               $ 0.5      
Convertible Debt, Percentage of Outstanding Principal Subject to Automatic Conversion, Percent               95.00%      
Second Closing Notes [Member] | Prefunded Warrants [Member]                      
Class of Warrant or Right, Exercise Price of Warrants or Rights               $ 0.000125      
Second Closing Notes [Member] | Additional Warrants [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights               80      
Class of Warrant or Right, Exercise Price of Warrants or Rights               $ 0.5      
Third Closing Notes [Member]                      
Debt Instrument, Convertible, Conversion Price               $ 0.5      
Convertible Debt, Percentage of Outstanding Principal Subject to Automatic Conversion, Percent               95.00%      
Third Closing Notes [Member] | Prefunded Warrants [Member]                      
Class of Warrant or Right, Exercise Price of Warrants or Rights               $ 0.000125      
Third Closing Notes [Member] | Prefunded Warrants Participating in Uplist Transaction [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights               80      
Class of Warrant or Right, Exercise Price of Warrants or Rights               $ 0.5      
Fourth Closing Notes [Member]                      
Debt Instrument, Convertible, Conversion Price               $ 0.5      
Convertible Debt, Percentage of Outstanding Principal Subject to Automatic Conversion, Percent               95.00%      
Fourth Closing Notes [Member] | Prefunded Warrants [Member]                      
Class of Warrant or Right, Exercise Price of Warrants or Rights               $ 0.000125      
Fourth Closing Notes [Member] | Prefunded Warrants Participating in Uplist Transaction [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights               80      
Class of Warrant or Right, Exercise Price of Warrants or Rights               $ 0.5