Consolidated Statements of Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statements of Operations:
Revenue	$ 500,890,000	$ 503,877,000	$ 488,398,000
Cost of revenue	277,690,000	281,884,000	272,933,000
Gross profit	223,200,000	221,993,000	215,465,000
Operating expenses
Marketing and sales	92,073,000	87,688,000	82,752,000
Research and development	41,298,000	40,135,000	38,222,000
General and administrative	64,333,000	65,788,000	67,544,000
Goodwill impairment	0	0	118,008,000
Costs related to disposal and exit activities	5,585,000	215,000	6,922,000
Total operating expenses	203,289,000	193,826,000	313,448,000
Income (loss) from operations	19,911,000	28,167,000	(97,983,000)
Other income (expense), net	4,761,000	(215,000)	106,000
Income (loss) before income taxes	24,672,000	27,952,000	(97,877,000)
Provision for income taxes	8,079,000	10,732,000	5,585,000
Net income (loss)	$ 16,593,000	$ 17,220,000	$ (103,462,000)
Net income (loss) per share:
Basic (in dollars per share)	$ 0.66	$ 0.66	$ (3.77)
Diluted (in dollars per share)	$ 0.66	$ 0.66	$ (3.77)
Shares used to compute net income (loss) per share:
Basic (in shares)	25,096,117	26,186,533	27,409,838
Diluted (in shares)	25,212,178	26,223,498	27,409,838
Other Comprehensive Income (Loss), net of tax
Foreign currency translation adjustments	$ (228,000)	$ 5,365,000	$ (16,278,000)
Net unrealized gains (losses) on investments in securities	257,000	977,000	(1,260,000)
Comprehensive income (loss)	$ 16,622,000	$ 23,562,000	$ (121,000,000)