Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Consolidated Statements of Operations
Net sales	$ 666,435	$ 646,137	$ 583,277
Cost of sales	381,376	382,989	341,003
Gross profit	285,059	263,148	242,274
Operating expenses, net:
Research and development	112,853	103,565	88,680
Selling, general, and administrative	92,756	88,952	84,536
Amortization of intangible assets	8,481	10,018	12,280
Other operating expense (income), net	1,029	317	68
Total operating expenses, net	215,119	202,852	185,564
Operating income	69,940	60,296	56,710
Interest income	10,583	2,199	2,340
Interest expense	(11,770)	(11,510)	(28,360)
Other income (expense), net	(97,091)		(5,010)
Income (loss) before income taxes	(28,338)	50,985	25,680
Income tax expense (benefit)	2,030	(115,957)	(358)
Net income (loss)	$ (30,368)	$ 166,942	$ 26,038
Income (loss) per common share:
Basic (in dollars per share)	$ (0.56)	$ 3.35	$ 0.53
Diluted (in dollars per share)	$ (0.56)	$ 2.71	$ 0.49
Weighted average number of shares:
Basic (in shares)	53,769	49,906	49,073
Diluted (in shares)	53,769	65,607	53,643