Revenue recognition (Tables)

6 Months Ended

Jun. 30, 2024

Revenue recognition

Schedule of Disaggregation of Net Sales by Reporting Unit

	Three months ended				Six months ended
	June 30,				June 30,
	2023		2024		2023		2024
	(In thousands)
Net sales:
Security Products	$	25,672	$	28,213	$	53,014	$	58,100
Marine Components		10,944		7,674		24,753		15,758
Total	$	36,616	$	35,887	$	77,767	$	73,858