Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2015

Balance Sheet Components

Schedule of cash and cash equivalents

	March 31,		December 31,
	2015		2014
	(in thousands)
Cash	$	9,706	$	8,598
Cash equivalents:
Money market funds	94,037		104,021
Certificates of deposit	25		25
	94,062		104,046
Cash and cash equivalents	$	103,768	$	112,644

Schedule of accounts receivable

	March 31,			December 31,
	2015			2014
	(in thousands)
Accounts receivable	$	40,670		$	38,260
Allowance for doubtful accounts	(481		)	(393		)
Accounts receivable, net	$	40,189		$	37,867

Schedule of property and equipment, net

	March 31,			December 31,
	2015			2014
	(in thousands)
Computer equipment	$	20,201		$	18,384
Software	2,526			2,417
Office furniture	2,313			2,071
Leasehold improvements	5,326			5,123
Construction in progress	2,329			1,745
Total property and equipment	32,695			29,740
Less accumulated depreciation	(15,023		)	(12,908		)
Property and equipment, net	$	17,672		$	16,832

Schedule of accrued expenses and other current liabilities

	March 31,		December 31,
	2015		2014
	(in thousands)
Accrued bonuses, commissions and wages	$	8,403	$	10,553
Accrued ESPP	1,045		2,324
Accrued vacation	3,537		2,972
Accrued marketing expenses	1,179		1,313
Accrued other	5,953		3,529
Total	$	20,117	$	20,691