Condensed Consolidated Statements of Operations and Comprehensive Loss (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue:
Total revenues	$ 6,890	$ 1,519	$ 9,271	$ 3,464
Cost of product revenue	9,564	1,745	12,940	10,055
Gross margin	(2,674)	(226)	(3,669)	(6,591)
Operating expenses:
Selling, general and administrative	40,349	36,694	77,703	72,800
Research and development	42,274	63,841	88,418	141,716
Restructuring Charges	0	6,639	0	6,639
Total operating expenses	82,623	107,174	166,121	221,155
Gain from sale of priority review voucher, net	0	0	92,930	0
Income (loss) from operations	(85,297)	(107,400)	(76,860)	(227,746)
Interest income, net	2,679	174	5,504	280
Other income (expense), net	9,630	7,088	19,608	5,176
Income (loss) before income taxes	(72,988)	(100,138)	(51,748)	(222,290)
Income tax (expense) benefit	80	0	80	0
Net income (loss)	$ (72,908)	$ (100,138)	$ (51,668)	$ (222,290)
Net income (loss) per share - basic (in dollars per share)	$ (0.67)	$ (1.36)	$ (0.49)	$ (3.02)
Net income (loss) per share - diluted (in dollars per share)	$ (0.67)	$ (1.36)	$ (0.49)	$ (3.02)
Weighted-average number of common shares used in computing net income (loss) per share - basic (in shares)	108,685	73,767	105,819	73,727
Weighted-average number of common shares used in computing net income (loss) per share - diluted (in shares)	108,685	73,767	105,819	73,727
Other comprehensive income (loss):
Total other comprehensive income (loss)	$ 722	$ 43	$ 1,706	$ (1,505)
Comprehensive income (loss)	(72,186)	(100,095)	(49,962)	(223,795)
Product revenue, net
Revenue:
Revenue	6,837	1,331	9,133	2,739
Other revenue
Revenue:
Revenue	$ 53	$ 188	$ 138	$ 725