CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 113,104	$ 148,190
Restricted cash	82	73
Accounts receivable (net of allowance for doubtful accounts of $1,182 and $1,297, respectively)	46,339	49,946
Inventory	7,038	6,581
Prepaid expenses and other current assets	10,391	8,651
Income tax receivable	648	1,104
Deferred income taxes	79	30
Total current assets	177,681	214,575
Property and equipment, net	18,029	17,213
Goodwill	49,972	34,896
Intangible assets, net	29,801	10,825
Deferred income taxes	218	257
Other assets	3,225	1,680
Total assets	278,926	279,446
Current liabilities:
Accounts payable	7,588	6,064
Accrued compensation	13,094	16,830
Other current liabilities	30,482	36,387
Deferred revenue	62,168	59,195
Total current liabilities	113,332	118,476
Deferred revenue	10,463	4,221
Deferred income taxes	9,251	8,400
Other long-term liabilities	2,627	155
Total liabilities	135,673	131,252
Commitments and contingencies (Note 12)
Stockholders' equity:
Preferred stock, $0.001 par value; 10,000 and 10,000 authorized; zero and zero shares issued and outstanding September 30, 2013 and December 31, 2012, respectively
Non-designated common stock, $0.00005 par value, 190,000 and 190,000 shares authorized, 22,650 and 21,951 shares issued and outstanding at September 30, 2013 and December 31, 2012, respectively	2	2
Additional paid-in capital	168,026	160,693
Accumulated loss	(25,444)	(13,158)
Accumulated other comprehensive income	669	657
Total stockholders' equity	143,253	148,194
Total liabilities and stockholders' equity	$ 278,926	$ 279,446