CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Revenues:
Total revenues		$ 115,366	$ 122,967
Cost of revenues:
Total cost of revenues		26,173	25,185
Gross profit		89,193	97,782
Operating expenses:
Sales and marketing		48,760	51,335
Research and development		28,215	23,560
General and administrative		22,604	22,172
Total operating expenses		99,579	97,067
(Loss) income from operations		(10,386)	715
Interest income, net		2,566	2,034
Other expense, net		(596)	(1,594)
(Loss) income before income taxes		(8,416)	1,155
Benefit from income taxes		(510)	(518)
Net (loss) income		$ (7,906)	$ 1,673
Basic (loss) earnings per share	[1]	$ (0.77)	$ 0.15
Weighted average shares outstanding used in computing basic (loss) earnings per share		10,328	11,447
Diluted (loss) earnings per share	[1]	$ (0.77)	$ 0.15
Weighted average shares outstanding used in computing diluted (loss) earnings per share		10,328	11,488
Product licenses
Revenues:
Total revenues		$ 18,291	$ 17,301
Cost of revenues:
Total cost of revenues		519	2,211
Subscription services
Revenues:
Total revenues		7,144	7,662
Cost of revenues:
Total cost of revenues		3,598	3,249
Total product licenses and subscription services
Revenues:
Total revenues		25,435	24,963
Cost of revenues:
Total cost of revenues		4,117	5,460
Product support
Revenues:
Total revenues		71,450	74,415
Cost of revenues:
Total cost of revenues		7,067	4,796
Other services
Revenues:
Total revenues		18,481	23,589
Cost of revenues:
Total cost of revenues		$ 14,989	$ 14,929

[1] Basic and fully diluted (loss) earnings per share for class A and class B common stock are the same.