Quarterly report pursuant to Section 13 or 15(d)

Convertible Redeemable Preferred Stock and Stockholders' Equity - April 2024 Issuances of Common Stock and Common Stock Warrants (Details)

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Convertible Redeemable Preferred Stock and Stockholders' Equity - April 2024 Issuances of Common Stock and Common Stock Warrants (Details) - USD ($)
Apr. 30, 2024
Apr. 26, 2024
Apr. 23, 2024
Apr. 19, 2024
Apr. 17, 2024
Jun. 30, 2024
Jun. 30, 2023
Mar. 31, 2023
Convertible Preferred Stock and Stockholders' Equity                
Aggregate shares issued upon exercise of warrants           3,225 17,143 7,454
Initial April 2024 Registered Direct Offering and Concurrent Private Placement                
Convertible Preferred Stock and Stockholders' Equity                
Gross proceeds       $ 750,000        
Placement agent fees and other offering expenses       $ 159,000        
Initial April 2024 Registered Direct Offering                
Convertible Preferred Stock and Stockholders' Equity                
Aggregate share issued         225,834      
Price per share         $ 3.321      
Initial April 2024 Concurrent Private Placement                
Convertible Preferred Stock and Stockholders' Equity                
Aggregate shares issued upon exercise of warrants         225,834      
Warrants exercise price (in $ per share)         $ 3.196      
Second April 2024 Registered Direct Offering and Concurrent Private Placement                
Convertible Preferred Stock and Stockholders' Equity                
Gross proceeds     $ 1,900,000          
Placement agent fees and other offering expenses     $ 268,000          
Second April 2024 Registered Direct Offering                
Convertible Preferred Stock and Stockholders' Equity                
Aggregate share issued       361,904        
Price per share       $ 5.25        
Second April 2024 Concurrent Private Placement                
Convertible Preferred Stock and Stockholders' Equity                
Aggregate shares issued upon exercise of warrants       542,856        
Warrants exercise price (in $ per share)       $ 5.06        
Third April 2024 Registered Direct Offering and Concurrent Private Placement                
Convertible Preferred Stock and Stockholders' Equity                
Gross proceeds $ 2,400,000              
Placement agent fees and other offering expenses $ 298,000              
Third April 2024 Registered Direct Offering                
Convertible Preferred Stock and Stockholders' Equity                
Aggregate share issued   418,845            
Price per share   $ 5.73            
Third April 2024 Concurrent Private Placement                
Convertible Preferred Stock and Stockholders' Equity                
Aggregate shares issued upon exercise of warrants   418,845            
Warrants exercise price (in $ per share)   $ 5.60