Quarterly report [Sections 13 or 15(d)]

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

v3.25.2
Convertible Instruments and Accrued Interest - Convertible Note - April 2, 2021 & April 23, 2021 Note (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Aug. 31, 2025
Apr. 23, 2021
Apr. 02, 2021
Convertible Note - April 2, 2021 Note      
Debt Instrument      
Interest rate per annum 6.00%    
Conversion price per share upon five trading days' notice $ 10    
Number of days of notice to be given for conversion of notes into common stock 5 days    
Shares reserved     6.0
Partitioned Notes      
Debt Instrument      
Convertible note, aggregate principal $ 2.3    
Convertible Note - April 23, 2021 Note      
Debt Instrument      
Interest rate per annum 6.00%    
Conversion price per share upon five trading days' notice $ 10    
Shares reserved   6.0  
Convertible note, aggregate principal $ 35.4    
Conversion of Series C preferred stock to common stock (in shares) 7.5