Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2018

Revenue From Contract With Customer [Abstract]

Schedule of Disaggregates Net Sales By Reporting Unit

The following table disaggregates our net sales by reporting unit, which are the categories that depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors (as required by ASC 606).

	Three months ended				Nine months ended
	September 30,				September 30,
	2017		2018		2017		2018
	(In thousands)
Net Sales:
Security Products	$	22,854	$	24,541	$	74,903	$	75,845
Marine Components		4,139		5,488		12,040		14,982
Total	$	26,993	$	30,029	$	86,943	$	90,827