Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2012

Property and equipment, net consists of the following (in thousands):


	June 30,						December 31, 2011			September 30, 2012
	2010			2011			December 31, 2011			September 30, 2012
										(Unaudited)
Computer equipment and software	$	1,752		$	6,562		$	16,586		$	41,919
Furniture and fixtures		192			1,230			1,755			3,017
Leasehold improvements		106			2,747			2,795			815
Construction in progress		298			1,031			3,740			4,955

		2,348			11,570			24,876			50,706
Less: accumulated depreciation		(650	)		(2,103	)		(4,181	)		(11,620	)

Total property and equipment, net	$	1,698		$	9,467		$	20,695		$	39,086

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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