Quarterly report pursuant to Section 13 or 15(d)

Convertible Instruments and Accrued Interest - Components (Details)

v3.21.4
Convertible Instruments and Accrued Interest - Components (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 23, 2021
Apr. 02, 2021
Nov. 10, 2020
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2021
Nov. 30, 2020
Debt Instrument [Line Items]              
Consideration received             $ 50,000
Loss on extinguishment of convertible notes       $ 3,312 $ 4,169 $ 7,963 $ 4,169
Convertible Notes Payable [Member]              
Debt Instrument [Line Items]              
Outstanding balance, beginning           64,754  
Amortization of issuance discount and costs           1,796  
Interest expense accrued           3,113  
Fair market value of shares exchanged for repayment           (30,009)  
Loss on extinguishment of convertible notes           7,963  
Outstanding balance, ending       47,617   47,617  
Long-term Convertible Note - November 2020 Note              
Debt Instrument [Line Items]              
Outstanding balance, beginning           13,554  
Consideration received     $ 25,000        
Amortization of issuance discount and costs       0   98  
Interest expense accrued           192  
Fair market value of shares exchanged for repayment           (18,495)  
Loss on extinguishment of convertible notes           4,651  
Long-term Convertible Note - April 2, 2021 Note              
Debt Instrument [Line Items]              
Outstanding balance, beginning           25,715  
Consideration received   $ 25,000          
Amortization of issuance discount and costs       400   821  
Interest expense accrued           1,419  
Fair market value of shares exchanged for repayment           (11,514)  
Loss on extinguishment of convertible notes           3,312  
Outstanding balance, ending       19,753   19,753  
Long-term Convertible Note - April 23, 2021 Note              
Debt Instrument [Line Items]              
Outstanding balance, beginning           25,485  
Consideration received $ 25,000            
Amortization of issuance discount and costs       400   877  
Interest expense accrued           1,502  
Outstanding balance, ending       $ 27,864   $ 27,864