Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net sales	$ 47,411	$ 39,028	$ 144,601	$ 120,697
Cost of sales	16,596	13,958	50,817	41,855
Gross profit	30,815	25,070	93,784	78,842
Sales and marketing	9,673	8,229	30,786	24,321
General and administrative	7,738	7,229	23,392	21,812
Research and development	4,224	3,462	12,615	9,740
Restructuring	0	0	485	3,107
Total operating expenses	21,635	18,920	67,278	58,980
Income from operations	9,180	6,150	26,506	19,862
Other income (expense):
Interest income	835	264	2,085	539
Foreign currency loss	(189)	(266)	(429)	(709)
Income before income taxes	9,826	6,148	28,162	19,692
Provision for income taxes	2,324	692	6,522	4,683
Net income	$ 7,502	$ 5,456	$ 21,640	$ 15,009
Earnings per share of common stock:
Basic (in dollars per share)	$ 0.34	$ 0.25	$ 0.97	$ 0.68
Diluted (in dollars per share)	$ 0.33	$ 0.25	$ 0.97	$ 0.68
Weighted-average shares outstanding:
Basic (in shares)	22,263	21,984	22,196	21,959
Diluted (in shares)	22,481	22,217	22,411	22,149
Cash dividends declared per common share (in dollars per share)	$ 0.140	$ 0.125	$ 0.420	$ 0.375