Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 97,035	$ 89,075
Accounts receivable, net	22,964	18,084
Prepaid expenses and other	6,681	7,399
Inventory	2,070	2,221
Deferred income tax assets, net	3,389	3,389
Total current assets	132,139	120,168
Property and equipment, net	20,936	21,122
Goodwill	133,031	133,031
Other intangible assets, net	22,653	25,368
Deferred income tax assets, net	20,542	25,494
Other assets	1,586	1,715
TOTAL ASSETS	330,887	326,898
Current liabilities:
Accounts payable and accrued liabilities	9,796	9,885
Accrued compensation and benefits	11,287	13,919
Deferred revenue	24,571	23,023
Total current liabilities	45,654	46,827
Deferred revenue	645	862
Other long-term liabilities	9,231	9,259
TOTAL LIABILITIES	55,530	56,948
Commitments and contingencies
Stockholders' equity:
Preferred stock	0	0
Common stock	2	2
Additional paid-in capital	128,988	127,264
Retained earnings	146,367	142,684
TOTAL STOCKHOLDERS' EQUITY	275,357	269,950
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 330,887	$ 326,898