Post-effective amendment to a registration statement that is not immediately effective upon filing

Subsequent Events (Details)

v3.23.3
Subsequent Events (Details) - USD ($)
1 Months Ended 2 Months Ended 3 Months Ended 12 Months Ended
Jun. 23, 2023
May 05, 2023
Apr. 28, 2023
Feb. 13, 2023
Jan. 12, 2023
Apr. 02, 2021
Jul. 31, 2023
Apr. 30, 2023
Jan. 31, 2023
Aug. 31, 2023
Mar. 31, 2023
Jun. 30, 2022
May 31, 2023
May 31, 2022
Jun. 30, 2023
Feb. 04, 2023
Subsequent Event [Line Items]                                
Warrants to purchase common shares, shares                     71,100,000          
Term of warrants                 10 years   5 years          
Exercise price of share                     $ 0.50          
Placement agent fees and expenses                     $ 2,000,000.0 $ 2,800,000        
Stock issued for private offerings (in shares)       400,000                        
Convertible note, redeemed amount                         $ 4,000,000 $ 31,000,000    
Placement agent notes                                
Subsequent Event [Line Items]                                
Debt Instrument Term   18 months 18 months                          
Convertible note, aggregate principal   $ 1,000,000.0 $ 1,000,000.0                          
Exercise price of share   $ 0.50 $ 0.50                          
Proceeds from issuance of warrants   $ 900,000 $ 900,000                          
Placement agent fees and expenses   $ 100,000 $ 100,000                          
Partitioned Notes                                
Subsequent Event [Line Items]                                
Convertible note, aggregate principal                         $ 4,000,000.0      
Long-term Convertible Note - April 2, 2021 Note                                
Subsequent Event [Line Items]                                
Debt Instrument Term           2 years                    
Convertible note, aggregate principal           $ 28,500,000                   $ 6,100,000
Conversion of preferred stock to common stock (in shares)                         17,300,000      
Placement Agent Warrants Issue One | Placement agent notes                                
Subsequent Event [Line Items]                                
Warrants to purchase common shares, shares   1,000,000.0 1,000,000.0                          
Term of warrants   3 years 3 years                          
Placement Agent Warrants Issue Two | Placement agent notes                                
Subsequent Event [Line Items]                                
Warrants to purchase common shares, shares   300,000 300,000                          
Term of warrants   10 years 10 years                          
Accredited Investors                                
Subsequent Event [Line Items]                                
Warrants to purchase common shares, shares                     71,100,000          
Stock issued for private offerings (in shares)               500,000       85,400,000   34,600,000    
Stock issued for private offerings               $ 100,000     $ 14,400,000 $ 18,900,000        
Allotment to placement agent                                
Subsequent Event [Line Items]                                
Warrants to purchase common shares, shares                 10,700,000     19,400,000        
Term of warrants                       10 years        
Exercise price of share                 $ 0.23     $ 0.255        
Placement agent fees and expenses                     $ 25,000.0 $ 50,000        
Warrant covering common stock shares purchased, percentage                 15.00%   12.00% 13.00%        
Second Private Placement                                
Subsequent Event [Line Items]                                
Warrants to purchase common shares, shares                       64,000,000.0        
Term of warrants                       5 years        
Exercise price of share                       $ 0.306        
Number of common shares in a fixed combination issue of shares                 1     1        
Number of warrants in a fixed combination issue of securities                 1     1        
Exercise price of stock warrant combo, per share         $ 0.23             $ 0.255        
Closing share price (as percentage)         90.00%                      
Subsequent Event                                
Subsequent Event [Line Items]                                
Placement agent fees and expenses                   $ 400,000            
Subsequent Event | Placement agent notes                                
Subsequent Event [Line Items]                                
Debt Instrument Term 18 months                              
Convertible note, aggregate principal $ 1,300,000                              
Proceeds from issuance of warrants 1,200,000                              
Placement agent fees and expenses $ 100,000                              
Subsequent Event | Amended placement agent notes                                
Subsequent Event [Line Items]                                
Exercise price of share                             $ 0.306  
Subsequent Event | Partitioned Notes                                
Subsequent Event [Line Items]                                
Convertible note, aggregate principal                   $ 1,500,000            
Subsequent Event | Long-term Convertible Note - April 2, 2021 Note                                
Subsequent Event [Line Items]                                
Conversion of preferred stock to common stock (in shares)                   8,700,000            
Subsequent Event | Placement Agent Warrants Issue One                                
Subsequent Event [Line Items]                                
Exercise price of share                             $ 0.50  
Subsequent Event | Placement Agent Warrants Issue One | Placement agent notes                                
Subsequent Event [Line Items]                                
Warrants to purchase common shares, shares 1,300,000                              
Term of warrants 3 years                              
Exercise price of share $ 0.50                              
Subsequent Event | Placement Agent Warrants Issue Two | Placement agent notes                                
Subsequent Event [Line Items]                                
Warrants to purchase common shares, shares 400,000                              
Term of warrants 10 years                              
Exercise price of share $ 0.26                              
Subsequent Event | Private placement warrants                                
Subsequent Event [Line Items]                                
Warrants to purchase common shares, shares                   14,700,000            
Term of warrants                   5 years            
Exercise price of share                   $ 0.50            
Subsequent Event | Accredited Investors                                
Subsequent Event [Line Items]                                
Stock issued for private offerings (in shares)                   14,700,000            
Stock issued for private offerings                   $ 2,600,000            
Subsequent Event | Accredited Investors | Placement agent notes                                
Subsequent Event [Line Items]                                
Convertible note, redeemed amount                   $ 2,300,000            
Warrants issued in debt conversion                   11,500,000            
Subsequent Event | Accredited Investors | Private placement warrants                                
Subsequent Event [Line Items]                                
Term of warrants                   5 years            
Exercise price of share                   $ 0.306            
Warrants issued in debt conversion                   11,500,000            
Subsequent Event | Allotment to placement agent                                
Subsequent Event [Line Items]                                
Warrants to purchase common shares, shares             2,200,000                  
Term of warrants             10 years                  
Exercise price of share             $ 0.20                  
Placement agent fees and expenses                   $ 5,000.0            
Warrant covering common stock shares purchased, percentage             15.00%     12.00%            
Subsequent Event | Second Private Placement                                
Subsequent Event [Line Items]                                
Exercise price of stock warrant combo, per share             $ 0.20                  
Closing share price (as percentage)             90.00%