Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 91,906	$ 103,339
Accounts receivable, net of allowance for doubtful accounts of $1,165 and $708, in 2013 and 2012, respectively	29,489	23,830
Prepaid expenses and other current assets	6,361	6,369
Deferred tax assets, net	5,426	2,616
Total current assets	133,182	136,154
Property and equipment, net	17,618	17,495
Intangibles, net	13,088	15,681
Goodwill	32,724	32,645
Deferred tax assets, net	6,243	4,183
Other assets	2,235	2,418
Total assets	205,090	208,576
CURRENT LIABILITIES:
Accounts payable	10,139	11,125
Accrued expenses	25,419	17,911
Deferred revenue	8,747	6,525
Total current liabilities	44,305	35,561
Deferred revenue, net of current	468	1,263
Other liabilities	1,264	1,509
Total liabilities	46,037	38,333
Commitments and contingencies (See Note 9)
STOCKHOLDERS' EQUITY (See Note 10):
Common stock	54	56
Additional paid-in capital	244,621	252,320
Accumulated deficit	(85,279)	(81,780)
Accumulated other comprehensive loss	(343)	(353)
Total stockholders’ equity	159,053	170,243
Total liabilities and stockholders’ equity	$ 205,090	$ 208,576