Property and Equipment (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Land	$ 212	$ 233
Buildings	1,180	1,291
Machinery and equipment	540	529
Office furniture and equipment	286	265
Vehicles	31	103
Computer equipment	105	110
Construction in progress	510	559
Less: Accumulated depreciation	(900)	(999)
Total	$ 1,964	$ 2,091