CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue:
Product	$ 37,592	$ 47,530
Subscription and service	26,332	21,919
Total revenue	63,924	69,449
Cost of revenue:
Cost of product revenue	6,940	9,108
Cost of subscription and service revenue	3,324	4,366
Total cost of revenue	10,264	13,474
Gross profit	53,660	55,975
Operating expenses
Sales and marketing	37,060	38,404
Research and development	7,357	6,273
General and administrative	12,588	13,657
Lease abandonment	793
Total operating expenses	57,798	58,334
Loss from operations	(4,138)	(2,359)
Other income and (expense):
Interest income	41	78
Interest expense	(45)
Other income (expense)	419	(364)
Total other income (expense)	415	(286)
Loss before income taxes	(3,723)	(2,645)
Income tax provision (benefit)	977	(742)
Net loss	$ (4,700)	$ (1,903)
Loss per share:
Basic (in dollars per share)	$ (0.22)	$ (0.09)
Diluted (in dollars per share)	$ (0.22)	$ (0.09)
Common shares and equivalents outstanding:
Basic weighted average shares (in shares)	21,360	20,942
Diluted weighted average shares (in shares)	21,360	20,942