Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities
Net loss	$ (170,126)	$ (174,298)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	349	411
Stock-based compensation	13,812	11,725
Issuance of PIK interest debt	2,300	1,707
Accrued interest on revenue interest financing liability	15,491	24,173
Amortization of debt discount	1,430	974
Inventory reserve	819	243
Other	3,131	2,971
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	6,246	(2,303)
Accounts receivable, net	(12,458)	(9,240)
Accounts payable and accrued expenses	5,416	3,675
Accrued interest	43	279
Operating right-of-use assets and lease liabilities	66	90
Inventory	(14,178)	(148)
Net cash used in operating activities	(147,659)	(139,741)
Cash flows from investing activities
Cash paid for property and equipment	(115)	(86)
Net cash used in investing activities	(115)	(86)
Cash flows from financing activities
Proceeds from issuance of common stock from exercise of stock options	80	21
Net proceeds from issuance of debt	0	34,650
Net cash provided by financing activities	80	34,671
Net decrease in cash and cash equivalents and restricted cash	(147,694)	(105,156)
Cash and cash equivalents and restricted cash - beginning of period	300,125	384,256
Cash and cash equivalents and restricted cash - end of period	152,431	279,100
Supplemental disclosure of cash flow information
Interest paid	10,538	7,819
Supplemental disclosure of noncash investing and financing activities
Property and equipment purchases included in accounts payable and accrued expenses	9	10
Final interest payment fee	0	750
Settlement of ESPP liability in common stock	1,853	770
Settlement of 401(k) liability in common stock	$ 2,127	$ 712