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Business and Geographic Segments (Tables)
3 Months Ended
Mar. 31, 2023
Segment Reporting [Abstract]  
Schedule of Business Segment Information

Three months ended

March 31, 

    

2022

    

2023

(In thousands)

Net sales:

  

 

  

Security Products

$

29,581

$

27,342

Marine Components

 

12,469

 

13,809

Total net sales

$

42,050

$

41,151

Operating income:

 

  

 

  

Security Products

$

6,010

$

5,379

Marine Components

 

2,009

 

3,317

Corporate operating expenses

 

(1,713)

 

(1,656)

Total operating income

 

6,306

 

7,040

Interest income

 

214

 

947

Income before income taxes

$

6,520

$

7,987