Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statements of Operations:
Revenue	$ 503,877	$ 488,398	$ 488,098
Cost of revenue	281,884	272,933	265,407
Gross profit	221,993	215,465	222,691
Operating expenses
Marketing and sales	87,688	82,752	82,175
Research and development	40,135	38,222	44,241
General and administrative	65,788	67,544	55,933
Goodwill impairment	0	118,008	0
Closure of Japan business	215	6,922	0
Total operating expenses	193,826	313,448	182,349
Income (loss) from operations	28,167	(97,983)	40,342
Other (expense) income, net	(215)	106	(158)
Income (loss) before income taxes	27,952	(97,877)	40,184
Provision for income taxes	10,732	5,585	6,812
Net income (loss)	$ 17,220	$ (103,462)	$ 33,372
Net income (loss) per share:
Basic (in dollars per share)	$ 0.66	$ (3.77)	$ 1.21
Diluted (in dollars per share)	$ 0.66	$ (3.77)	$ 1.21
Shares used to compute net income (loss) per share:
Basic (in shares)	26,186,533	27,409,838	27,617,627
Diluted (in shares)	26,223,498	27,409,838	27,653,099
Other Comprehensive Income (Loss), net of tax
Foreign currency translation adjustments	$ 5,365	$ (16,278)	$ (13,278)
Net unrealized gains (losses) on investments in securities	977	(1,260)	(119)
Comprehensive income (loss)	$ 23,562	$ (121,000)	$ 19,975