CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net loss	$ (149,220)	$ (132,154)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	404	328
Accretion and amortization on investments, net	(7,281)	(8,335)
Amortization of debt issuance costs/debt discounts	1,894	742
Stock-based compensation for services by non-employees	122	650
Stock-based compensation for employees and directors	24,392	14,110
Amortization of right-of-use assets	501	464
Changes in assets and liabilities:
Inventory	(20,283)
Accounts receivable, net	(28,007)
Prepaid expenses, interest receivable and other assets	(1,842)	(13,694)
Current and noncurrent liabilities	4,647	11,084
Net cash used in operating activities	(174,673)	(126,805)
Cash flows from investing activities:
Purchases of property and equipment	(821)	(766)
Purchases of marketable securities	(292,141)	(459,727)
Proceeds from maturities of marketable securities	290,469	232,602
Net cash used in investing activities	(2,493)	(227,891)
Cash flows from financing activities:
Proceeds from issuances of common stock from equity plans	26,696	9,492
Proceeds from issuance of common stock from public offering and pre-funded warrant, net of paid issuance costs	140,729	213,337
Proceeds from exercise of warrants	418	105,912
Proceeds from employee stock purchase plan	366
Net cash provided by financing activities	168,209	328,741
Effect of exchange rates on cash, cash equivalents and restricted cash	17	(9)
Net increase in cash, cash equivalents and restricted cash	(8,940)	(25,964)
Cash, cash equivalents and restricted cash at the beginning of the period	71,138	57,209
Cash, cash equivalents and restricted cash at the end of the period	$ 62,198	$ 31,245