Annual report pursuant to Section 13 and 15(d)

Accounts Payable and Accrued Liabilities (Details)

v3.21.2
Accounts Payable and Accrued Liabilities (Details)
$ in Thousands
12 Months Ended
May 31, 2021
USD ($)
item
May 31, 2020
USD ($)
item
Concentration Risk [Line Items]    
Accounts payable $ 65,897 $ 29,479
Accrued compensation and related expense 4,005 1,723
Accrued legal settlement and fees 11,008 400
Accrued other liabilities 4,060 4,756
Total accrued liabilities $ 19,073 $ 6,879
Accounts Payable [Member] | Credit Availability Concentration Risk [Member]    
Concentration Risk [Line Items]    
Number of vendors | item 2 2
Accounts Payable [Member] | Credit Availability Concentration Risk [Member] | Vendor One [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 72.00% 49.00%
Accounts Payable [Member] | Credit Availability Concentration Risk [Member] | Vendor Two [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 14.00% 20.00%