Quarterly report pursuant to Section 13 or 15(d)

Inventories, net - Shelf-life (Details)

v3.22.4
Inventories, net - Shelf-life (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 30, 2022
Nov. 30, 2021
[1]
Nov. 30, 2022
Nov. 30, 2021
[1]
May 31, 2022
Feb. 28, 2022
Inventory Realizable Value            
2023 $ 21,028   $ 21,028      
2024 34,904   34,904      
2025 32,532   32,532      
2026 2,115   2,115      
Inventories, gross 90,579   90,579      
Inventory charge (90,579)   (90,579)      
Inventories, net         $ 17,929  
Raw materials         $ 16,264  
Inventory charged-off 17,929 $ 1,593 20,633 $ 3,357    
Other Assets | Samsung BioLogics Co., Ltd. ("Samsung")            
Inventory Realizable Value            
Specialized raw materials           $ 2,700
Raw Materials            
Inventory Realizable Value            
2023 21,028   21,028      
2024 4,101   4,101      
2025 189   189      
2026 2,115   2,115      
Inventories, gross 27,433   27,433      
Inventory charge (27,433)   (27,433)      
Specialized            
Inventory Realizable Value            
2023 4,764   4,764      
2024 2,511   2,511      
2025 189   189      
2026 2,115   2,115      
Inventories, gross 9,579   9,579      
Inventory charge (9,579)   (9,579)      
Resins            
Inventory Realizable Value            
2023 16,264   16,264      
Inventories, gross 16,264   16,264      
Inventory charge (16,264)   (16,264)      
Inventory charged-off 16,300          
Other            
Inventory Realizable Value            
2024 1,590   1,590      
Inventories, gross 1,590   1,590      
Inventory charge (1,590)   (1,590)      
Bulk Drug Substance            
Inventory Realizable Value            
2024 1,661   1,661      
Inventories, gross 1,661   1,661      
Inventory charge (1,661)   $ (1,661)      
Inventory charged-off 1,700          
Shelf life     4 years      
Drug Products            
Inventory Realizable Value            
2024 29,142   $ 29,142      
2025 32,343   32,343      
Inventories, gross 61,485   61,485      
Inventory charge $ (61,485)   $ (61,485)      
[1] See Note 2, Summary of Significant Accounting PoliciesRevision and Restatement of Financial Statements.