Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue:
Revenue	$ 118,991	$ 91,477
Cost of revenue:
Cost of revenue	73,442	53,971
Gross profit	45,549	37,506
Operating expenses:
Research and development	14,606	13,685
Sales and marketing	8,204	8,918
General and administrative	9,036	7,807
Total operating expenses	31,846	30,410
Income from operations	13,703	7,096
Other (expense) income:
Interest income	482	841
Interest expense	(1,303)	(1,230)
Other, net	(620)	(173)
Total other expense	(1,441)	(562)
Income before income taxes	12,262	6,534
Income tax provision	1,041	472
Net income	$ 11,221	$ 6,062
Net income per share:
Basic (in dollars per share)	$ 0.34	$ 0.19
Diluted (in dollars per share)	$ 0.33	$ 0.18
Shares used in computing net income per share:
Basic weighted average common shares	32,872	32,683
Diluted weighted average common shares	34,057	34,224
Product
Revenue:
Revenue	$ 112,133	$ 84,197
Cost of revenue:
Cost of revenue	67,172	47,338
Services
Revenue:
Revenue	6,858	7,280
Cost of revenue:
Cost of revenue	$ 6,270	$ 6,633