Inventories, Net (Tables)

9 Months Ended

Sep. 30, 2015

Inventory Disclosure [Abstract]

Inventories, Net

	December 31,		September 30,
	2014		2015
	(In thousands)
Raw materials:
Security Products	$	2,805	$	2,725
Marine Components		588		537
Total raw materials		3,393		3,262
Work-in-process:
Security Products		8,889		8,443
Marine Components		1,382		1,459
Total work-in-process		10,271		9,902
Finished goods:
Security Products		2,331		1,460
Marine Components		868		824
Total finished goods		3,199		2,284
Total inventories, net	$	16,863	$	15,448