Quarterly report pursuant to Section 13 or 15(d)

Inventories, net (Tables)

v3.22.1
Inventories, net (Tables)
9 Months Ended
Feb. 28, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current

​

​

​

​

​

​

​

​

(in thousands)

    

February 28, 2022

    

May 31, 2021

Raw materials

​

$

19,517

​

$

28,085

Work-in-progress

​

 

63,151

​

 

65,394

Total inventories, net

​

$

82,668

​

$

93,479

Schedule of remaining shelf life of inventory

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

(in thousands, Expiration period ending February 28,)

    

Remaining shelf-life

    

Raw materials

    

Work-in-progress bulk drug product

    

Work-in-progress finished drug product in vials

    

Total inventories

2022

​

0 to 12 months

​

$

5,828

​

$

-

​

$

-

​

$

5,828

2023

​

13 to 24 months

​

​

16,263

​

​

-

​

​

-

​

​

16,263

2024

​

25 to 36 months

​

​

2,209

​

​

-

​

​

29,142

​

​

31,351

2025

​

37 to 48 months

​

​

888

​

​

-

​

​

32,344

​

​

33,232

2026

​

49 to 60 months

​

​

-

​

​

-

​

​

-

​

​

-

Thereafter

​

61 or more months

​

​

157

​

​

1,665

​

​

-

​

​

1,822

Total inventories

​

​

​

​

25,345

​

​

1,665

​

​

61,486

​

​

88,496

Inventories reserved

​

​

​

​

(5,828)

​

​

-

​

​

-

​

​

(5,828)

Total inventories, net

​

​

​

$

19,517

​

$

1,665

​

$

61,486

​

$

82,668