CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 79,373	$ 91,906
Accounts receivable, net of allowance for doubtful accounts of $926 and $1,165 as of March 31, 2014 and December 31, 2013, respectively	28,936	29,489
Prepaid expenses and other current assets	9,363	6,361
Deferred tax assets, net	4,360	5,426
Total current assets	122,032	133,182
Property and equipment, net	17,481	17,618
Intangibles, net	12,130	13,088
Goodwill	33,124	32,724
Deferred tax assets, net	6,897	6,243
Other assets	4,952	2,235
Total assets	196,616	205,090
CURRENT LIABILITIES:
Accounts payable	11,686	10,139
Accrued expenses	20,475	25,419
Deferred revenue	7,620	8,747
Total current liabilities	39,781	44,305
Deferred revenue, net of current	0	468
Other liabilities	850	1,264
Total liabilities	40,631	46,037
Commitments and contingencies (See Note 11)
STOCKHOLDERS’ EQUITY (See Note 12):
Common stock	54	54
Additional paid-in capital	242,207	244,621
Accumulated deficit	(86,073)	(85,279)
Accumulated other comprehensive loss	(203)	(343)
Total stockholders’ equity	155,985	159,053
Total liabilities and stockholders’ equity	$ 196,616	$ 205,090