CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue
Total revenue	$ 56,492	$ 47,608
Cost of goods sold
Total cost of goods sold	16,070	16,039
Gross profit	40,422	31,569
Operating costs
Sales and marketing	14,859	14,383
Research and development	9,994	10,495
General and administrative	12,268	9,870
Amortization of intangible assets	2,354	2,348
Total operating costs	39,475	37,096
Operating income (loss)	947	(5,527)
Interest income, net	207	135
Other expense, net	(338)	(551)
Income before income taxes	816	(5,943)
Provision (benefit) for income taxes	718	(272)
Net income (loss)	$ 98	$ (5,671)
Net income (loss) per share
Basic (in dollars per share)	$ 0.00	$ (0.14)
Diluted (in dollars per share)	$ 0.00	$ (0.14)
Weighted average common shares outstanding
Basic (in shares)	40,127	40,036
Diluted (in shares)	40,338	40,036
Product and license
Revenue
Total revenue	$ 38,260	$ 31,861
Cost of goods sold
Total cost of goods sold	10,738	11,316
Services and other
Revenue
Total revenue	18,232	15,747
Cost of goods sold
Total cost of goods sold	$ 5,332	$ 4,723