Business and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2021

Segments Geographical Areas [Abstract]

Schedule of Disaggregates Net Sales By Reporting Unit

	Years ended December 31,
	2019		2020		2021
	(In thousands)
Net sales:
Security Products	$	99,328	$	87,863	$	105,124
Marine Components		24,915		26,674		35,691
Total	$	124,243	$	114,537	$	140,815

Geographical Information Attributable to Net Sales

	Years ended December 31,
	2019		2020		2021
	(In thousands)
Net sales - point of destination:
United States	$	114,186	$	107,712	$	129,160
Canada		7,257		4,423		8,061
Mexico		922		431		589
Other		1,878		1,971		3,005
Total	$	124,243	$	114,537	$	140,815