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Inventories - Inventories, net (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Inventories [Line Items]
Total raw materials	$ 3,253	$ 6,757
Total work-in-process	5,902	7,437
Total finished goods	2,068	5,384
Total inventories, net	11,223	19,578
Security Products [Member]
Inventories [Line Items]
Total raw materials	2,310	2,510
Total work-in-process	5,458	5,778
Total finished goods	1,578	1,700
Furniture Components [Member]
Inventories [Line Items]
Total raw materials		3,314
Total work-in-process		1,260
Total finished goods		2,994
Marine Components [Member]
Inventories [Line Items]
Total raw materials	943	933
Total work-in-process	444	399
Total finished goods	$ 490	$ 690

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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