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

Convertible Instruments and Accrued Interest - Convertible Note - April 2, 2021 & April 23, 2021 Note (Details)

v3.25.3
Convertible Instruments and Accrued Interest - Convertible Note - April 2, 2021 & April 23, 2021 Note (Details)
$ / shares in Units, $ in Thousands, shares in Millions
3 Months Ended 12 Months Ended
Apr. 23, 2021
USD ($)
$ / shares
shares
Apr. 02, 2021
USD ($)
$ / shares
shares
Aug. 31, 2025
USD ($)
$ / shares
shares
May 31, 2025
USD ($)
agreement
shares
May 31, 2024
USD ($)
agreement
shares
Apr. 30, 2025
Mar. 31, 2025
Debt Instrument              
Gain on restructuring of payables       $ 407      
Convertible Note - April 2, 2021 Note              
Debt Instrument              
Interest rate per annum     6.00%     6.00% 10.00%
Conversion price per share upon five trading days' notice | $ / shares   $ 10 $ 10        
Number of days of notice to be given for conversion of notes into common stock   5 days 5 days        
Shares reserved | shares   6.0          
Convertible note, aggregate principal   $ 28,500          
Conversion of Series C preferred stock to common stock (in shares) | shares         20.4    
Unamortized discount   3,400          
Debt issuance costs   $ 100          
Percentage increase in amount payable on default   15.00%          
Percentage increase in amount payable, second scenario   10.00%          
Percentage increase in amount payable, third default scenario   5.00%          
Debt proceeds requiring investor consent   $ 50,000          
Additional debt, increase in interest rate   5.00%          
Debt instrument lock in period   6 months          
Number of days of notice to be given for redemption   3 days          
Conversion of principal and interest of convertible notes to common stock   $ 3,500          
Debt instrument prepayment percentage premium   15.00%          
Number of days of notice to be given for prepayment   15 days          
Beneficial conversion feature   $ 0          
Number of exchange agreements | agreement         6    
Loss on induced conversion         $ 4,700    
Convertible Note - April 2, 2021 Note | Maximum              
Debt Instrument              
Interest rate per annum           22.00%  
Partitioned Notes              
Debt Instrument              
Convertible note, aggregate principal     $ 2,300        
Partitioned Notes, April 2, 2021              
Debt Instrument              
Convertible note, aggregate principal         3,300    
Partitioned Notes, April 23, 2021              
Debt Instrument              
Convertible note, aggregate principal       $ 4,500      
Convertible Note - April 23, 2021 Note              
Debt Instrument              
Interest rate per annum     6.00%     6.00% 10.00%
Conversion price per share upon five trading days' notice | $ / shares $ 10   $ 10        
Number of days of notice to be given for conversion of notes into common stock 5 days            
Shares reserved | shares 6.0            
Convertible note, aggregate principal $ 28,500   $ 35,400        
Conversion of Series C preferred stock to common stock (in shares) | shares     7.5 25.4      
Unamortized discount 3,400            
Debt issuance costs $ 100            
Percentage increase in amount payable on default 15.00%            
Percentage increase in amount payable, second scenario 10.00%            
Percentage increase in amount payable, third default scenario 5.00%            
Debt proceeds requiring investor consent $ 75,000            
Additional debt, increase in interest rate 5.00%            
Debt instrument lock in period 6 months            
Number of days of notice to be given for redemption 3 days            
Conversion of principal and interest of convertible notes to common stock $ 7,000            
Threshold trading days to satisfy redemption obligation 3 days            
Debt instrument prepayment percentage premium 15.00%            
Number of days of notice to be given for prepayment 15 days            
Beneficial conversion feature $ 0            
Number of exchange agreements | agreement       7      
Loss on induced conversion       $ 1,200 $ 1,900    
Convertible Note - April 23, 2021 Note | Maximum              
Debt Instrument              
Interest rate per annum           22.00%