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Certain Balance Sheet Accounts (Tables)

12 Months Ended

Dec. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Property and equipment as of December 31, 2014 and 2013 is recorded at cost less accumulated depreciation and consists of the following (in thousands):


	2014		2013
Computers and equipment	$	17,785	$	18,446
Computer software		22,399		22,315
Furniture and fixtures		8,627		8,902
Leasehold improvements		25,815		26,029

Total property and equipment		74,626		75,692
Less accumulated depreciation		42,452		35,824

	$	32,174	$	39,868

Summary of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities as of December 31, 2014 and 2013 consist of the following (in thousands):


	2014		2013
Payroll and related benefits	$	24,038	$	20,635
Taxes		2,050		2,692
Other		10,129		10,144

	$	36,217	$	33,471

Summary of Non-current Liabilities

Non-current liabilities as of December 31, 2014 and 2013 consist of the following (in thousands):


	2014		2013
Deferred tax liability	$	97	$	852
Deferred rent		6,501		6,678
Other		2,810		2,612

	$	9,408	$	10,142

Summary of Allowance for Doubtful Accounts

A roll-forward of the allowance for doubtful accounts as of and for the years ended December 31, 2014, 2013, and 2012 is as follows (in thousands):


	2014			2013			2012
Balance, beginning of year	$	254		$	404		$	326
Provision for doubtful accounts		320			189			708
Write-offs		(386	)		(339	)		(630	)

Balance, end of year	$	188		$	254		$	404