Quarterly report pursuant to Section 13 or 15(d)

Accounts Payable and Accrued Liabilities (Details)

v3.22.1
Accounts Payable and Accrued Liabilities (Details)
$ in Thousands
9 Months Ended 12 Months Ended
Feb. 28, 2022
USD ($)
item
May 31, 2021
USD ($)
item
Concentration Risk [Line Items]    
Accounts payable $ 62,393 $ 65,897
Number of vendors | item 2 2
Compensation and related expense $ 1,637 $ 4,005
Legal settlement and fees 3,259 11,008
Other liabilities 4,522 4,060
Total accrued liabilities $ 9,418 19,073
Accrued legal settlement   $ 10,600
Accounts Payable | Credit Availability Concentration Risk [Member] | Vendor One [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 62.00% 72.00%
Accounts Payable | Credit Availability Concentration Risk [Member] | Vendor Two [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 19.00% 14.00%