Property, Plant, and Equipment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 6,885	$ 4,765
Accumulated depreciation	(2,843)	(1,512)
Total	4,042	3,253
Depreciation expense	1,331	1,035	472
Leaseholds [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,716	1,148
Furniture [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	952	880
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,473	1,371
Computers [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,141	1,212
Buildings and Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 603	$ 154

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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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

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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