Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating activities
Net loss	$ (22,682)	$ (51,745)	$ (209,248)
Adjustments to reconcile net loss to net cash used in operating activities:
Non-cash loss on extinguishment of debt and exchange transaction	0	54,918	0
Non-cash royalty revenue	(55,055)	(26,077)	0
Paid-in-kind interest on long-term debt	9,093	0	0
Non-cash interest expense related to the revenue interest liability	0	21,569	46,679
Non-cash interest expense related to the royalty sale liability	57,211	24,657	0
Stock-based compensation expense	9,870	11,993	11,958
Depreciation expense	105	63	164
Accretion and amortization of premiums and discounts on investments	0	0	(412)
Amortization of debt issuance costs and discounts	3,007	1,498	1,697
Changes in assets and liabilities:
Accounts receivable	(60,048)	(31,648)	(14,765)
Prepaids and other assets	(30,800)	(13,904)	6,192
Deferred revenue	25,959	(16,884)	21,895
Inventories	(10,633)	(28,868)	(30,422)
Accounts payable	20,918	12,432	8,678
Other accrued liabilities	31,223	18,342	22,097
Other long-term liabilities	8,739	0	0
Net cash used in operating activities	(13,093)	(23,654)	(135,487)
Investing activities
Proceeds from sales/maturities of investments	0	0	42,500
Purchases of property and equipment	0	(317)	0
Net cash (used in) provided by investing activities	0	(317)	42,500
Financing activities
Proceeds from royalty sale liability	0	304,656	0
Payment of royalty sale liability issuance costs	0	(9,626)	0
Repurchase or principal payment of revenue interest liability	0	(343,750)	0
Payments on revenue interest liability	0	(5,832)	(15,506)
Proceeds from credit agreement, net of issuance costs	0	145,376	0
Proceeds from issuance of convertible notes, net of issuance costs	0	99,726	0
Repayment of convertible notes	(54,912)	(210,088)	0
Proceeds from issuance of common stock, net of issuance costs	72,596	90,672	52,428
Proceeds from issuance of common stock from ATM Program, net of issuance costs	15,408	513	4,448
Proceeds from exercise of warrants	10,348	14,808	9,069
Payment of issuance costs	(7,500)	0	0
Other financing activities	244	29	21
Net cash provided by financing activities	36,184	86,484	50,460
Net increase (decrease) in cash and cash equivalents	23,091	62,513	(42,527)
Cash, cash equivalents at beginning of period	144,761	82,248	124,775
Cash and cash equivalents at end of period	167,852	144,761	82,248
Supplemental disclosure of cash flow information:
Issuance costs not yet paid	0	7,500	635
Purchase of property and equipment not yet paid	189	0	0
Non-cash right of use asset	37	98	115
Income taxes paid (refer to Note 17)	612	0	0
Cash paid for interest	$ 16,266	$ 11,347	$ 10,600