Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Consolidated Statements of Operations
Net sales	$ 175,879	$ 161,641	$ 350,363	$ 315,145
Cost of sales	100,489	94,131	199,554	185,618
Gross profit	75,390	67,510	150,809	129,527
Operating expenses, net:
Research and development	31,696	27,384	61,338	54,945
Selling, general, and administrative	24,595	23,822	49,295	46,449
Amortization of intangible assets	1,825	2,123	3,716	4,235
Other operating expense (income), net	552	493	(2,307)	404
Total operating expenses, net	58,668	53,822	112,042	106,033
Operating income	16,722	13,688	38,767	23,494
Interest income	3,115	2,420	6,439	4,494
Interest expense	(2,766)	(3,052)	(5,385)	(5,928)
Other income (expense), net		(97,091)		(97,091)
Income (loss) before income taxes	17,071	(84,035)	39,821	(75,031)
Income tax expense	2,127	1,285	3,023	1,548
Net income (loss)	$ 14,944	$ (85,320)	$ 36,798	$ (76,579)
Income (loss) per common share:
Basic (in dollars per share)	$ 0.27	$ (1.61)	$ 0.66	$ (1.48)
Diluted (in dollars per share)	$ 0.25	$ (1.61)	$ 0.61	$ (1.48)
Weighted average number of shares:
Basic (in shares)	56,277	52,861	56,160	51,764
Diluted (in shares)	62,535	52,861	61,733	51,764