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Accounts receivable, net (Tables)
9 Months Ended
Sep. 30, 2023
Receivables [Abstract]  
Schedule of Accounts Receivable, net

December 31, 

September 30, 

    

2022

    

2023

(In thousands)

Accounts receivable, net:

 

  

 

  

Security Products

$

13,767

$

16,531

Marine Components

 

4,143

 

3,274

Allowance for doubtful accounts

 

(70)

 

(70)

Total accounts receivable, net

$

17,840

$

19,735