Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 105,637	$ 107,869
Accounts receivable, net	23,374	24,969
Prepaid expenses and other	5,855	7,250
Inventory	3,222	2,673
Deferred income tax assets, net	1,979	2,194
Total current assets	140,067	144,955
Property and equipment, net	16,265	17,395
Goodwill	133,031	133,031
Other intangible assets, net	18,323	19,698
Deferred income tax assets, net	20,167	21,949
Other assets	1,618	862
TOTAL ASSETS	329,471	337,890
Current liabilities:
Accounts payable and accrued liabilities	9,653	11,688
Accrued compensation and benefits	9,732	14,041
Deferred revenue	24,612	24,034
Total current liabilities	43,997	49,763
Deferred revenue	888	937
Other long-term liabilities	8,334	8,131
TOTAL LIABILITIES	53,219	58,831
Commitments and contingencies
Stockholders' equity:
Preferred stock	0	0
Common stock	2	2
Additional paid-in capital	122,704	126,678
Retained earnings	153,546	152,379
TOTAL STOCKHOLDERS' EQUITY	276,252	279,059
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 329,471	$ 337,890