General form of registration statement for all companies including face-amount certificate companies

Convertible Instruments and Accrued Interest - Convertible Note - Placement Agent Notes (Details)

v3.24.0.1
Convertible Instruments and Accrued Interest - Convertible Note - Placement Agent Notes (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
May 05, 2023
Apr. 28, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Jul. 31, 2023
Jan. 31, 2023
Debt Instrument [Line Items]                
Warrants to purchase common shares, shares     21.5   71.1      
Term of warrants     5 years   5 years     10 years
Class of warrants, exercise price     $ 0.50 $ 0.306 $ 0.50 $ 0.50 $ 0.306  
Stock offering costs     $ 0.4   $ 2.0 $ 2.8    
Placement Agent Notes                
Debt Instrument [Line Items]                
Convertible notes, interest rate 6.00% 6.00%   6.00%        
Debt instrument term 18 months 18 months   18 months        
Convertible note, aggregate principal $ 1.0 $ 1.0   $ 2.3        
Class of warrants, exercise price $ 0.50 $ 0.50            
Proceeds from issuance of warrants $ 0.9 $ 0.9            
Stock offering costs $ 0.1 $ 0.1            
Placement Agent Notes | Placement Agent Warrants Issue One                
Debt Instrument [Line Items]                
Warrants to purchase common shares, shares 1.0 1.0   1.3        
Term of warrants 3 years 3 years   3 years        
Class of warrants, exercise price       $ 0.50        
Placement Agent Notes | Placement Agent Warrants Issue Two                
Debt Instrument [Line Items]                
Warrants to purchase common shares, shares 0.3 0.3   0.4        
Term of warrants 10 years 10 years   10 years        
Class of warrants, exercise price       $ 0.26