Property and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Land	$ 244	$ 244
Buildings	1,352	1,352
Machinery and equipment	501	407
Office furniture and equipment	240	240
Vehicles	39	39
Computer equipment	86	86
Construction in progress	544	386
Less: Accumulated depreciation	(965)	(887)
Total	$ 2,041	$ 1,867	[1]

[1] Derived from audited information