Balance Sheet Components

12 Months Ended

Dec. 31, 2013

3. Balance Sheet Components

The following table shows the components of property and equipment as of December 31, 2013 and 2012:


	December 31,
	2013			2012
Computer equipment	$	16,314		$	8,958
Software		7,690			4,268
Office equipment		571			457
Furniture, fixtures and leasehold improvements		1,861			1,742

		26,436			15,425
Less: Accumulated depreciation and amortization		(12,019	)		(6,201	)

	$	14,417		$	9,224

Depreciation and amortization expense for 2013, 2012 and 2011 was $5,878, $3,167, and $1,800, respectively.

The following table shows the components of accrued payroll and other expenses as of December 31, 2013 and 2012:


	December 31,
	2013		2012
Accrued salary and payroll related expenses	$	6,675	$	4,771
Accrued accounts payable		2,773		3,882
Income tax payable		434		109
Sales and use tax payable		466		365
Other		602		534

	$	10,950	$	9,661