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

Convertible Instruments and Accrued Interest - Convertible Note - April 23, 2021 Note (Detail)

v3.24.0.1
Convertible Instruments and Accrued Interest - Convertible Note - April 23, 2021 Note (Detail) - USD ($)
$ / shares in Units, $ in Thousands, shares in Millions
6 Months Ended 12 Months Ended
Apr. 23, 2021
Nov. 30, 2023
May 31, 2023
Sep. 30, 2023
Mar. 31, 2023
May 31, 2022
Apr. 02, 2021
Debt Instrument [Line Items]              
Consideration received   $ 1,144 $ 696        
Unamortized discount             $ 3,400
Number of days of notice to be given for conversion of notes into common stock   5 days          
Amortization of issuance discount and costs   $ 911 2,195        
Net carrying value of note   $ 45,850 $ 45,729     $ 42,215  
Warrants to purchase common shares, shares       21.5 71.1    
Indemnitors              
Debt Instrument [Line Items]              
Warrants to purchase common shares, shares     45.0        
Private Equity Offering              
Debt Instrument [Line Items]              
Debt issuance costs     $ 9,700        
Warrants to purchase common shares, shares     5.5        
Convertible Note - April 23, 2021 Note              
Debt Instrument [Line Items]              
Debt instrument term 2 years            
Convertible note, aggregate principal $ 28,500            
Debt instrument, extended term 2 years            
Consideration received $ 25,000            
Unamortized discount 3,400            
Debt issuance costs 100            
Conversion of principal and interest of convertible notes to common stock $ 7,000            
Convertible notes, interest rate 10.00% 10.00%          
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%            
Conversion price per share $ 10.00 $ 10.00          
Number of days of notice to be given for conversion of notes into common stock 5 days            
Shares reserved 6.0            
Debt instrument lock in period 6 months            
Number of days of notice to be given for redemption 3 days            
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            
Debt proceeds requiring investor consent $ 75,000            
Additional debt, increase in interest rate 5.00%            
Beneficial conversion feature $ 0            
Amortization of issuance discount and costs   $ 215 $ 1,613        
Net carrying value of note   $ 37,437 $ 35,336     $ 30,309  
Maximum | Convertible Note - April 23, 2021 Note              
Debt Instrument [Line Items]              
Convertible notes, interest rate 22.00%