Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net revenue:
Products and license	$ 26,627,000	$ 22,486,000	$ 66,217,000	$ 58,157,000
Services	57,265,000	45,921,000	164,418,000	127,896,000
Total net revenue	83,892,000	68,407,000	230,635,000	186,053,000
Cost of revenue:
Products and license	1,883,000	2,394,000	5,638,000	6,392,000
Services	14,684,000	11,354,000	41,455,000	32,841,000
Total cost of revenue	16,567,000	13,748,000	47,093,000	39,233,000
Gross profit	67,325,000	54,659,000	183,542,000	146,820,000
Operating expenses:
Research and development	15,515,000	15,289,000	47,493,000	46,884,000
Sales and marketing	38,245,000	38,128,000	111,757,000	119,845,000
General and administrative	13,645,000	12,669,000	39,556,000	38,800,000
Restructuring charges	0	0	667,000	0
Amortization of acquired intangible assets	133,000	352,000	582,000	1,056,000
Total operating expenses	67,538,000	66,438,000	200,055,000	206,585,000
Loss from operations	(213,000)	(11,779,000)	(16,513,000)	(59,765,000)
Gain on sale of business	0	0	35,871,000	0
Other income (expense), net	567,000	107,000	633,000	(51,000)
Income (loss) before provision for income taxes	354,000	(11,672,000)	19,991,000	(59,816,000)
Provision for income taxes	724,000	66,000	768,000	645,000
Net (loss) income	$ (370,000)	$ (11,738,000)	$ 19,223,000	$ (60,461,000)
Earnings per share:
Basic	$ (0.01)	$ (0.36)	$ 0.57	$ (1.88)
Diluted	$ (0.01)	$ (0.36)	$ 0.56	$ (1.88)
Shares used in computing earnings per share:
Basic	33,907	32,445	33,590	32,130
Diluted	33,907	32,445	34,118	32,130