CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities
Net loss	$ (50,712)	$ (58,144)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	5,086	6,795
Non-cash interest expense on liability related to sales of future royalties and milestones, net of issuance costs accretion	3,892
Loss on inventory write-down	1,489
Depreciation and amortization	119	118
Noncash lease expense	525	759
Accretion of available-for-sale marketable securities, net	(543)	(56)
Changes in operating assets and liabilities:
Accounts receivable, net - related party	2,406	(6,864)
Inventory	(312)	(1,037)
Other receivables	(209)	76
Prepaid expenses	4,377	1,291
Accounts payable and accrued expenses	(11,102)	2,935
Operating lease liability		(936)
Reimbursement of lease incentive	2,094
Net cash used in operating activities	(42,890)	(55,063)
Investing activities
Proceeds from maturities of available-for-sale marketable securities	74,500	72,265
Proceeds from redemptions of available-for-sale marketable securities, at par		4,000
Purchases of available-for-sale marketable securities	(32,213)	(25,754)
Purchases of property and equipment	(1,046)
Net cash provided by investing activities	41,241	50,511
Financing activities
Payments to royalty purchase and sale agreement	(1,295)
Proceeds from the exercise of stock options		560
Net cash (used in) provided by financing activities	(1,295)	560
Net decrease in cash, cash equivalents and restricted cash	(2,944)	(3,992)
Cash, cash equivalents and restricted cash at beginning of period	53,683	64,149
Cash, cash equivalents and restricted cash at end of period	50,739	$ 60,157
Noncash investing and financing activities
Accrual for leasehold improvements	$ 19