Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

v3.21.2
Inventories (Tables)
3 Months Ended
Aug. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current

​

​

​

​

​

​

​

​

(in thousands)

​

August 31, 2021

​

May 31, 2021

Raw materials

​

$

26,034

​

$

28,085

Work-in-progress

​

 

65,524

​

 

65,394

Total

​

$

91,558

​

$

93,479

Schedule of remaining shelf life of inventory

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Expiration period ending August 31,

​

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

​

$

4,547

​

$

-

​

$

-

​

$

4,547

2023

​

12 or 24 months

​

​

17,457

​

​

-

​

​

-

​

​

17,457

2024

​

24 to 36 months

​

​

550

​

​

-

​

​

-

​

​

550

2025

​

36 to 48 months

​

​

1,626

​

​

-

​

​

45,236

​

​

46,862

2026

​

48 to 60 months

​

​

704

​

​

-

​

​

-

​

​

704

Thereafter

​

60 or more months

​

​

2,977

​

​

20,288

​

​

-

​

​

23,265

Total inventories

​

​

​

​

27,861

​

​

20,288

​

​

45,236

​

​

93,385

Inventories reserved

​

​

​

​

(1,827)

​

​

-

​

​

-

​

​

(1,827)

Total inventories, net

​

​

​

$

26,034

​

$

20,288

​

$

45,236

​

$

91,558