Inventories, Net (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Inventory, net
Total raw materials	$ 6,872	$ 6,757
Total work-in-process	7,431	7,437
Total finished goods	4,907	5,384
Total inventories, net	19,210	19,578
Security Products [Member]
Inventory, net
Total raw materials	2,220	2,510
Total work-in-process	5,602	5,778
Total finished goods	1,500	1,700
Furniture Components [Member]
Inventory, net
Total raw materials	3,647	3,314
Total work-in-process	1,406	1,260
Total finished goods	2,813	2,994
Marine Components [Member]
Inventory, net
Total raw materials	1,005	933
Total work-in-process	423	399
Total finished goods	$ 594	$ 690