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

Accounts Payable and Accrued Liabilities and Compensation (Details)

v3.23.2
Accounts Payable and Accrued Liabilities and Compensation (Details)
$ in Thousands
9 Months Ended 12 Months Ended
Feb. 28, 2023
USD ($)
item
May 31, 2022
USD ($)
item
May 31, 2021
USD ($)
item
Accounts Payable and Accrued Liabilities      
Accounts payable $ 62,667 $ 67,974 $ 65,897
Number of vendors | item 2 2 2
Compensation and related expense $ 410 $ 1,522 $ 4,005
Legal fees and settlement 1,207 2,006 11,008
Clinical expenses 913 3,727 1,462
Accrued inventory charges and expenses 4,075 1,392  
License fees 628 150  
Lease payable 138 134  
Investor proceeds held in escrow 897    
Other liabilities 30 64 2,598
Total accrued liabilities $ 8,298 $ 8,995 19,073
Accrued legal settlement     $ 10,600
Accounts Payable | Credit Availability Concentration Risk | Vendor One      
Accounts Payable and Accrued Liabilities      
Concentration Risk, Percentage 74.00% 57.00% 72.00%
Accounts Payable | Credit Availability Concentration Risk | Vendor Two      
Accounts Payable and Accrued Liabilities      
Concentration Risk, Percentage   73.00% 14.00%