Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenue:
Product revenue, net	$ 29,065	$ 2,739
Other revenue	432	858
Total revenues	29,497	3,597
Cost of product revenue	33,527	10,077
Gross margin	(4,030)	(6,480)
Operating expenses:
Selling, general and administrative	165,510	140,326
Research and development	167,652	200,439
Restructuring expense	0	4,940
Total operating expenses	333,162	345,705
Gain from sale of priority review voucher, net	92,930	102,000
Loss from operations	(244,262)	(250,185)
Interest income	9,869	1,032
Interest expense	(16,353)	(6,322)
Other income, net	38,707	25,250
Loss before income taxes	(212,039)	(230,225)
Income tax benefit (expense)	126	(117)
Net loss	$ (211,913)	$ (230,342)
Net income (loss) per share - basic (in dollars per share)	$ (1.93)	$ (2.93)
Net income (loss) per share - diluted (in dollars per share)	$ (1.93)	$ (2.93)
Weighted-average number of common shares used in computing net loss per share - basic (in shares)	109,825	78,585
Weighted-average number of common shares used in computing net loss per share - diluted (in shares)	109,825	78,585
Other comprehensive income (loss):
Other comprehensive income (loss)	$ 2,274	$ (1,159)
Comprehensive loss	$ (209,639)	$ (231,501)