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Inventories, net (Tables)
9 Months Ended
Sep. 30, 2024
Inventory Disclosure [Abstract]  
Inventories, net

December 31, 

September 30, 

    

2023

    

2024

(In thousands)

Raw materials:

 

  

 

  

Security Products

$

3,569

$

4,178

Marine Components

 

2,169

 

1,522

Total raw materials

 

5,738

 

5,700

Work-in-process:

 

  

 

  

Security Products

 

13,879

 

12,880

Marine Components

 

5,163

 

4,550

Total work-in-process

 

19,042

 

17,430

Finished goods:

 

  

 

  

Security Products

 

3,175

 

2,801

Marine Components

 

2,757

 

2,077

Total finished goods

 

5,932

 

4,878

Total inventories, net

$

30,712

$

28,008