Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities
Net loss	$ (903)	$ (111,654)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Non-cash loss on extinguishment of debt	53,235	0
Non-cash royalty revenue	(7,531)	0
Depreciation expense	10	132
Amortization of premiums and discounts on investments	0	(412)
Amortization of debt issuance costs	879	839
Non-cash interest expense related to the revenue interest liability	21,569	22,785
Stock-based compensation expense	6,166	6,063
Changes in assets and liabilities:
Accounts receivable	(11,866)	(7,070)
Prepaids and other assets	(6,275)	3,712
Deferred revenue	(4,730)	12,127
Inventories	(18,846)	(10,475)
Accounts payable	15,898	1,518
Other accrued liabilities	(983)	3,329
Net cash provided by (used in) operating activities	46,623	(79,106)
Investing activities
Proceeds from sales/maturities of investments	0	42,500
Purchase of property and equipment	(150)	0
Net cash (used in) provided by investing activities	(150)	42,500
Financing activities
Payments on revenue interest liability	(5,832)	(6,616)
Repurchase of revenue interest liability	(343,750)	0
Proceeds from royalty sale liability	304,656	0
Proceeds from issuance of common stock, warrants, and pre-funded warrants, net of issuance costs	0	52,428
Proceeds from issuance of common stock, net of issuance costs	90,672	0
Proceeds from issuance of common stock from ATM program, net of issuance costs	0	4,479
Proceeds from exercise of common stock options	29	0
Proceeds from exercise of warrants, net of issuance costs	14,808	0
Proceeds from exercise of pre-funded warrants	0	10
Net cash provided by financing activities	60,583	50,301
Net increase in cash and cash equivalents	107,056	13,695
Cash and cash equivalents at beginning of period	82,248	124,775
Cash and cash equivalents at end of period	189,304	138,470
Supplemental disclosure of cash flow information:
Common stock issuance costs not yet paid	0	31
Royalty sale issuance costs not yet paid	9,626	0
Purchase of property and equipment not yet paid	167	0
Non-cash right of use asset	$ 84	$ 36