Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Cash flows from operating activities
Net loss	$ (174,298)	$ (78,779)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	411	269
Stock-based compensation	11,725	14,301
Issuance of PIK interest debt	1,707	1,772
Accrued interest on revenue interest financing liability	24,173	10,550
Amortization of debt discount	974	769
Inventory reserve	243	0
Other	2,971	1,157
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(2,303)	(3,633)
Accounts receivable, net	(9,240)	0
Accounts payable and accrued expenses	3,675	(8,447)
Accrued interest	279	73
Operating right-of-use assets and lease liabilities	90	99
Inventory	(148)	0
Net cash used in operating activities	(139,741)	(61,869)
Cash flows from investing activities
Cash paid for property and equipment	(86)	(220)
Net cash used in investing activities	(86)	(220)
Cash flows from financing activities
Proceeds from issuance of common stock from exercise of stock options	21	111
Net proceeds from issuance of debt	34,650	0
Net proceeds from underwritten public offering	0	141,390
Net proceeds from issuance of common stock		14,073
Net cash provided by financing activities	34,671	155,574
Net (decrease) increase in cash and cash equivalents and restricted cash	(105,156)	93,485
Cash and cash equivalents and restricted cash - beginning of period	384,256	155,890	$ 155,890
Cash and cash equivalents and restricted cash - end of period	279,100	249,375	384,256
Supplemental disclosure of cash flow information
Interest paid	7,819	5,310
Supplemental disclosure of noncash investing and financing activities
Property and equipment purchases included in accounts payable and accrued expenses	10	0
Final interest payment fee	750	0
Settlement of ESPP liability in common stock	770	856
Settlement of 401(k) liability in common stock	712	$ 456
At-the-Market Offering Program
Cash flows from financing activities
Net proceeds from issuance of common stock	$ 0		$ 14,100