Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.21.1
Inventories (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Feb. 28, 2021
USD ($)
item
Feb. 28, 2021
USD ($)
item
May 31, 2020
USD ($)
Inventory [Line Items]      
Number of batches not saleable | item 1    
Inventory Write-down $ 6,100    
Number of portions of Biologic License Application ("BLA") resubmitted | item   2  
Raw materials 29,004 $ 29,004 $ 19,147
Work in progress 64,533 64,533  
Total 93,537 93,537 $ 19,147
Bulk Drug Substance [Member]      
Inventory [Line Items]      
Work in progress 34,900 34,900  
Drug Products [Member]      
Inventory [Line Items]      
Work in progress $ 29,600 $ 29,600