Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Consolidated Statements of Operations
Net sales	$ 174,484	$ 153,504
Cost of sales	99,065	91,487
Gross profit	75,419	62,017
Operating expenses, net:
Research and development	29,642	27,562
Selling, general, and administrative	24,700	22,627
Amortization of intangible assets	1,891	2,111
Other operating expense (income), net	(2,859)	(89)
Total operating expenses, net	53,374	52,211
Operating income	22,045	9,806
Interest income	3,324	2,073
Interest expense	(2,619)	(2,875)
Income before income taxes	22,750	9,004
Income tax expense	896	263
Net income	$ 21,854	$ 8,741
Income per common share:
Basic (in dollars per share)	$ 0.39	$ 0.17
Diluted (in dollars per share)	$ 0.37	$ 0.17
Weighted average number of shares:
Basic (in shares)	55,968	50,559
Diluted (in shares)	60,764	59,856