Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Components of property and equipment
Total cost	$ 13,361	$ 10,676
Less: accumulated depreciation	(4,393)	(3,560)
Property and equipment, net	8,968	7,116
Land [Member]
Components of property and equipment
Total cost	1,287	1,287
Building [Member]
Components of property and equipment
Total cost	6,508	3,407
Construction in progress [Member]
Components of property and equipment
Total cost		1,889
Computers [Member]
Components of property and equipment
Total cost	568	230
Furniture [Member]
Components of property and equipment
Total cost	1,043	923
Automobiles and other Vehicles [Member]
Components of property and equipment
Total cost	2,183	1,339
Software [Member]
Components of property and equipment
Total cost	$ 1,772	$ 1,601

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.

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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.

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- 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.

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