CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenue:
Product	$ 34,038	$ 42,462	$ 107,087	$ 127,534
Subscription and service	26,834	21,817	79,847	67,006
Total revenue	60,872	64,279	186,934	194,540
Cost of revenue:
Cost of product revenue	7,325	7,858	21,263	24,087
Cost of subscription and service revenue	3,419	3,327	9,969	11,892
Total cost of revenue	10,744	11,185	31,232	35,979
Gross profit	50,128	53,094	155,702	158,561
Operating expenses
Sales and marketing	34,844	36,830	104,904	110,518
Research and development	8,797	5,177	25,248	17,944
General and administrative	13,987	14,474	40,209	41,050
Lease abandonment	7		835
Total operating expenses	57,635	56,481	171,196	169,512
Loss from operations	(7,507)	(3,387)	(15,494)	(10,951)
Other income and (expense):
Interest income	21	42	105	141
Interest expense	(9)		(54)
Other (expense) income	(305)	(27)	105	(71)
Total other income (expense)	(293)	15	156	70
Loss before income taxes	(7,800)	(3,372)	(15,338)	(10,881)
Income tax (benefit) provision	(3,631)	28,691	(3,052)	27,739
Net loss	$ (4,169)	$ (32,063)	$ (12,286)	$ (38,620)
Net loss per share:
Basic (in dollars per share)	$ (0.19)	$ (1.52)	$ (0.57)	$ (1.84)
Diluted (in dollars per share)	$ (0.19)	$ (1.52)	$ (0.57)	$ (1.84)
Common shares and equivalents outstanding:
Basic weighted average shares (in shares)	21,827	21,073	21,587	21,004
Diluted weighted average shares (in shares)	21,827	21,073	21,587	21,004