Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statements of Operations:
Revenue	$ 121,721	$ 125,342	$ 372,791	$ 364,516
Cost of revenue	68,089	70,018	205,933	197,237
Gross profit	53,632	55,324	166,858	167,279
Operating expenses
Marketing and sales	20,594	21,422	62,235	61,946
Research and development	9,309	10,614	29,316	33,855
General and administrative	16,477	16,361	49,770	44,186
Closure of Japan business	1,194	0	6,388	0
Total operating expenses	47,574	48,397	147,709	139,987
Income from operations	6,058	6,927	19,149	27,292
Other income (loss), net	(24)	136	(323)	(40)
Income before income taxes	6,034	7,063	18,826	27,252
Provision for income taxes	2,083	2,228	7,223	5,790
Net income	$ 3,951	$ 4,835	$ 11,603	$ 21,462
Net income per share:
Basic (in dollars per share)	$ 0.14	$ 0.17	$ 0.42	$ 0.78
Diluted (in dollars per share)	$ 0.14	$ 0.17	$ 0.42	$ 0.77
Shares used to compute net income per share:
Basic (in shares)	27,505,097	27,713,229	27,512,057	27,638,611
Diluted (in shares)	27,508,217	27,730,105	27,522,734	27,707,784
Comprehensive Income (Loss) (net of tax)
Comprehensive income (loss)	$ (6,924)	$ (508)	$ (18,604)	$ 11,424