Revenue recognition (Tables)

9 Months Ended

Sep. 30, 2022

Revenue recognition

Schedule of Disaggregates Net Sales By Reporting Unit

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2022		2021		2022
	(In thousands)
Net sales:
Security Products	$	25,829	$	28,493	$	79,301	$	86,911
Marine Components		8,727		14,371		27,432		39,678
Total	$	34,556	$	42,864	$	106,733	$	126,589