Condensed Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Product [Member]	Product [Member]	Product [Member]	Product [Member]
Product revenue, net	$ 96,042	$ 70,284	$ 184,225	$ 115,535
Operating expenses
Cost, Product and Service [Extensible Enumeration]	Product [Member]	Product [Member]	Product [Member]	Product [Member]
Cost of goods sold	$ 7,165	$ 6,009	$ 12,193	$ 8,428
Research and development	14,410	15,583	28,666	26,539
Selling, general and administrative	35,160	27,626	67,883	53,685
Litigation settlement	0	12,500	0	25,000
Total operating expenses	56,735	61,718	108,742	113,652
Income from operations	39,307	8,566	75,483	1,883
Other income
Interest and other income, net	7,468	7,479	14,889	15,095
Income before income taxes	46,775	16,045	90,372	16,978
Income tax expense	(8,442)	(477)	(16,305)	(477)
Net income	38,333	15,568	74,067	16,501
Unrealized (loss) gain on available-for-sale securities	(158)	(252)	186	(1,127)
Foreign currency translation	925	(83)	1,161	(145)
Comprehensive income	$ 39,100	$ 15,233	$ 75,414	$ 15,229
Net income per common share:
Basic (in dollars per share)	$ 1.33	$ 0.54	$ 2.57	$ 0.58
Diluted (in dollars per share)	$ 1.29	$ 0.53	$ 2.48	$ 0.56
Weighted-average common shares outstanding:
Basic (in shares)	28,910	28,598	28,863	28,446
Diluted (in shares)	29,749	29,637	29,819	29,504