Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Consolidated Statements of Operations
Net sales	$ 184,807	$ 177,366	$ 535,170	$ 492,511
Cost of sales	105,596	100,489	305,150	286,107
Gross profit	79,211	76,877	230,020	206,404
Operating expenses, net:
Research and development	32,216	28,817	93,554	83,762
Selling, general, and administrative	25,291	22,814	74,586	69,263
Amortization of intangible assets	1,687	2,123	5,403	6,358
Other operating expense (income), net	(4,318)	860	(6,625)	1,264
Total operating expenses, net	54,876	54,614	166,918	160,647
Operating income	24,335	22,263	63,102	45,757
Interest income	3,204	3,024	9,643	7,518
Interest expense	(2,881)	(2,777)	(8,266)	(8,705)
Other income (expense), net				(97,091)
Income (loss) before income taxes	24,658	22,510	64,479	(52,521)
Income tax expense (benefit)	2,707	(2,064)	5,730	(516)
Net income (loss)	$ 21,951	$ 24,574	$ 58,749	$ (52,005)
Income (loss) per common share:
Basic (in dollars per share)	$ 0.39	$ 0.44	$ 1.04	$ (0.98)
Diluted (in dollars per share)	$ 0.36	$ 0.42	$ 0.97	$ (0.98)
Weighted average number of shares:
Basic (in shares)	56,410	55,352	56,256	52,978
Diluted (in shares)	62,654	59,636	62,103	52,978