Annual report pursuant to Section 13 and 15(d)

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

v3.22.2.2
Convertible Instruments and Accrued Interest - Long-term Convertible Note - April 23, 2021 Note (Detail) - USD ($)
$ / shares in Units, $ in Thousands, shares in Millions
12 Months Ended
Apr. 23, 2022
Apr. 23, 2021
May 31, 2022
May 31, 2021
May 31, 2020
Mar. 31, 2022
Feb. 28, 2022
Apr. 02, 2021
Debt Instrument [Line Items]                
Net Proceeds       $ 100,000 $ 15,000      
Unamortized discount               $ 3,400
Amortization of issuance discount and costs     $ 3,045          
Accrued interest on convertible notes     5,974 2,007        
Interest on convertible notes     5,417 4,387 $ 7,330      
Net carrying value of note     42,215 64,754        
Indemnitors                
Debt Instrument [Line Items]                
Warrants to purchase common shares, shares           13.0 30.0  
Long-term Convertible Note - April 23, 2021 Note                
Debt Instrument [Line Items]                
Debt instrument term 2 years              
Convertible note, aggregate principal $ 28,500              
Net Proceeds 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%              
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              
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     1,750          
Net carrying value of note     $ 30,309 $ 25,485        
Maximum | Long-term Convertible Note - April 23, 2021 Note                
Debt Instrument [Line Items]                
Convertible notes, interest rate 22.00%