Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statements of Operations:
Revenue	$ 115,108	$ 113,452
Cost of revenue	57,008	54,592
Gross profit	58,100	58,860
Operating expenses
Marketing and sales	18,180	18,577
Research and development	8,987	8,013
General and administrative	14,108	12,822
Total operating expenses	41,275	39,412
Income from operations	16,825	19,448
Other income, net	1,054	213
Income before income taxes	17,879	19,661
Provision for income taxes	3,895	4,150
Net income	$ 13,984	$ 15,511
Net income per share:
Basic (in dollars per share)	$ 0.52	$ 0.58
Diluted (in dollars per share)	$ 0.52	$ 0.57
Shares used to compute net income per share:
Basic (in shares)	26,776,806	26,963,366
Diluted (in shares)	26,929,640	27,177,039
Comprehensive Income (net of tax)
Comprehensive income	$ 11,004	$ 15,987