Business and Geographic Information - Schedule of Disaggregates Net Sales By Reporting Unit (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation Of Revenue [Line Items]
Total net sales	$ 140,815	$ 114,537	$ 124,243
Security Products
Disaggregation Of Revenue [Line Items]
Total net sales	105,124	87,863	99,328
Marine Components
Disaggregation Of Revenue [Line Items]
Total net sales	$ 35,691	$ 26,674	$ 24,915