Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues	$ 96,756	$ 86,263
Cost of revenues	21,680	18,495
Gross profit	75,076	67,768
Operating expenses:
Research and development	17,749	17,983
Sales and marketing	17,989	18,230
General and administrative	42,043	11,124
Total operating expenses	77,781	47,337
Income (loss) from operations	(2,705)	20,431
Other income (expense), net:
Interest expense	(4)	(3)
Interest income	746	1,924
Other income (expense), net	(244)	(135)
Total other income, net	498	1,786
Income (loss) before income taxes	(2,207)	22,217
Income tax provision (benefit)	(2,435)	3,523
Net income	$ 228	$ 18,694
Net income per share:
Basic (in dollars per share)	$ 0.01	$ 0.48
Diluted (in dollars per share)	$ 0.01	$ 0.46
Weighted average shares used in computing net income per share:
Basic (in shares)	39,209	39,112
Diluted (in shares)	40,430	40,846