​

​

December 31, 

​

March 31, 

​

  ​ ​ ​

2025

  ​ ​ ​

2026

​

​

(In thousands)

Raw materials:

​

  ​

​

  ​

Security Products

​

$

3,979

​

$

3,751

Marine Components

​

1,641

​

1,592

Total raw materials

​

5,620

​

5,343

Work-in-process:

​

  ​

​

  ​

Security Products

​

14,313

​

14,706

Marine Components

​

5,594

​

5,618

Total work-in-process

​

19,907

​

20,324

Finished goods:

​

  ​

​

​

Security Products

​

3,002

​

2,967

Marine Components

​

1,881

​

1,436

Total finished goods

​

4,883

​

4,403

Total inventories, net

​

$

30,410

​

$

30,070