CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Revenues:
Total revenues		$ 111,424	$ 115,366
Cost of revenues:
Total cost of revenues		24,545	26,173
Gross profit		86,879	89,193
Operating expenses:
Sales and marketing		39,518	48,760
Research and development		26,101	28,215
General and administrative		21,332	22,604
Total operating expenses		86,951	99,579
Loss from operations		(72)	(10,386)
Interest income, net		1,855	2,566
Other income (expense), net		434	(596)
Income (loss) before income taxes		2,217	(8,416)
Provision for (benefit from) income taxes		1,560	(510)
Net income (loss)		$ 657	$ (7,906)
Basic earnings (loss) per share	[1]	$ 0.07	$ (0.77)
Weighted average shares outstanding used in computing basic earnings (loss) per share		9,976	10,328
Diluted earnings (loss) per share	[1]	$ 0.07	$ (0.77)
Weighted average shares outstanding used in computing diluted earnings (loss) per share		10,031	10,328
Product licenses
Revenues:
Total revenues		$ 12,584	$ 18,291
Cost of revenues:
Total cost of revenues		670	519
Subscription services
Revenues:
Total revenues		7,968	7,144
Cost of revenues:
Total cost of revenues		4,064	3,598
Total product licenses and subscription services
Revenues:
Total revenues		20,552	25,435
Cost of revenues:
Total cost of revenues		4,734	4,117
Product support
Revenues:
Total revenues		71,158	71,450
Cost of revenues:
Total cost of revenues		6,718	7,067
Other services
Revenues:
Total revenues		19,714	18,481
Cost of revenues:
Total cost of revenues		$ 13,093	$ 14,989

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