CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue:
Total revenue	$ 64,646	$ 74,136	$ 130,951	$ 190,010
Operating expenses:
Cost of product sales	16,858	21,171	34,158	46,347
Cost of royalty revenue	0	2,493	0	5,072
Research and development	9,833	11,437	19,105	17,545
Selling, general and administrative	27,651	36,832	55,611	59,014
Total operating expenses	54,342	71,933	108,874	127,978
Income from operations	10,304	2,203	22,077	62,032
Interest income	195	244	407	398
Interest expense	(1,448)	(552)	(2,964)	(918)
Other income (expense), net	247	(7,763)	9	(9,720)
Total other expense, net	(1,006)	(8,071)	(2,548)	(10,240)
Income (loss) before income tax provision	9,298	(5,868)	19,529	51,792
Income tax provision	(4,134)	(3,582)	(8,615)	(17,184)
Net income (loss)	$ 5,164	$ (9,450)	$ 10,914	$ 34,608
Earnings (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.39	$ (0.74)	$ 0.83	$ 2.71
Diluted (in dollars per share)	$ 0.39	$ (0.74)	$ 0.83	$ 2.67
Weighted average number of common shares outstanding:
Basic (in shares)	13,090,852	12,836,116	13,075,090	12,773,727
Diluted (in shares)	13,154,599	12,836,116	13,151,107	12,951,788
Product sales, net
Revenue:
Total revenue	$ 42,993	$ 49,201	$ 89,214	$ 139,289
Royalty revenue
Revenue:
Total revenue	$ 21,653	$ 24,935	$ 41,737	$ 50,721