Condensed Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities
Net Income (Loss)	$ (66,318)	$ (66,819)
Adjustments to reconcile net loss to net cash used in operating activities:
Share-based compensation expense	23,759	25,674
Depreciation expense	185	38
Accretion of discounts on short-term investments, net	(8,402)	(2,189)
Amortization of intangible assets	1,520	298
Amortization of operating right-of-use asset	153	188
Loss from sale of property and equipment	71	0
Gain from sale of priority review voucher	0	(108,000)
Changes in operating assets and liabilities:
Accounts receivable, net	(5,793)	(9,136)
Inventory	(3,152)	(129)
Prepaid expenses and other current assets	(1,707)	(3,078)
Deposits and other long-term assets	(62)	97
Accounts payable	1,828	3,868
Accrued expenses and other current liabilities	(26,494)	60,548
Deferred revenue	431	0
Operating lease liability	178	(218)
Net cash used in operating activities	(83,803)	(98,858)
Cash flows from investing activities
Cash paid for purchase of short-term investments	(428,298)	(168,761)
Proceeds from maturity of short-term investments	425,795	184,232
Cash paid for acquired intangible assets	(3,500)	(17,100)
Proceeds from sale of priority review voucher	0	108,000
Cash paid for purchase of property and equipment	(320)	(26)
Proceeds from sale of property and equipment	32	0
Net cash (used in) provided by investing activities	(6,291)	106,345
Cash flows from financing activities
Proceeds from issuance of common stock upon stock option exercises	0	372
Proceeds from issuance of common stock upon Employee Stock Purchase Plan purchase	748	973
Cash provided by financing activities	748	1,345
Net (decrease) increase in cash and cash equivalents	(89,346)	8,832
Cash and cash equivalents, beginning of period	124,968	230,784
Cash and cash equivalents, end of period	35,622	239,616
Supplemental disclosure of cash flow information:
Income taxes paid	5,316	0
Supplemental disclosures of noncash activities:
Cash not yet paid for acquired intangible asset	2,000	0
Right-of-use asset obtained in exchange for new operating lease liabilities	230	0
Cash not yet paid for upfront license agreement payment	$ 0	$ 55,000