Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 16,067	$ 19,117
Short-term investments	15,105	15,105
Accounts receivable, net	9,918	12,987
Prepaid expenses and other current assets	2,450	3,268
Deferred tax asset	306	290
Total current assets	43,846	50,767
Property and equipment, net	10,292	10,028
Goodwill	64,732	65,280
Intangible assets, net	27,962	29,490
Deferred commissions	6,245	6,701
Deferred tax asset, less current portion	10,955	10,885
Other	334	294
Total assets	164,366	173,445
Current liabilities:
Accounts payable	348	741
Accrued liabilities	7,220	13,765
Deferred revenues	55,023	57,417
Total current liabilities	62,591	71,923
Deferred revenues, less current portion	12,532	13,343
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.001 par value; 50,000 shares authorized; 23,983 and 23,811 shares issued and outstanding as of March 31, 2014 and December 31, 2013, respectively	24	24
Additional paid-in capital	110,619	108,864
Accumulated other comprehensive loss	(2,158)	(1,401)
Accumulated deficit	(19,242)	(19,308)
Total stockholders’ equity	89,243	88,179
Total liabilities and stockholders’ equity	$ 164,366	$ 173,445