Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Machinery, equipment and vehicles	$ 15,043	$ 13,602
Furniture and fixtures	2,274	1,884
Leasehold improvements	1,058	928
Buildings	396	379
Property, plant and equipment	18,771	16,793
Accumulated depreciation and amortization	(13,260)	(11,231)
Property, plant and equipment, net	$ 5,511	$ 5,562

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

+ References+ Details

Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References+ Details

- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References+ Details