CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating activities
Net loss	$ (4,906)	$ (30,696)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	1,426	3,345
Non-cash interest expense on liability related to sales of future royalties and milestones, net of issuance costs accretion	2,867	1,982
Depreciation and amortization	0	42
Noncash lease expense		269
Accretion of available-for-sale marketable securities, net		(510)
Changes in operating assets and liabilities:
Accounts receivable, net - related party	(822)	1,047
Inventory		80
Other receivables	579	49
Prepaid expenses	(1,063)	2,364
Accounts payable and accrued expenses	(2,773)	(10,151)
Reimbursement of lease incentive		1,726
Net cash used in operating activities	(4,692)	(30,453)
Investing activities
Proceeds from maturities of available-for-sale marketable securities		59,000
Purchases of available-for-sale marketable securities		(32,213)
Purchases of property and equipment		(836)
Net cash provided by investing activities		25,951
Financing activities
Proceeds from milestone received from royalty purchase and sale agreement	2,500
Payments to royalty purchase and sale agreement	(1,494)	(685)
Net cash provided by (used in) financing activities	1,006	(685)
Net decrease in cash, cash equivalents and restricted cash	(3,686)	(5,187)
Cash, cash equivalents and restricted cash at beginning of period	37,903	53,683
Cash, cash equivalents and restricted cash at end of period	$ 34,217	48,496
Noncash investing and financing activities
Accrual for leasehold improvements		$ 211