Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
OPERATING ACTIVITIES:
Net loss	$ (43,155)	$ (81,040)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	3,587	4,269
Amortization of insurance premium	0	566
Amortization of operating lease right-of-use assets	213	241
Amortization of leasehold improvements	1	1
Change in operating lease liability	(193)	(252)
Change in fair value of warrant liabilities	(4,541)	40,660
Changes in operating assets and liabilities:
Prepaid expenses	158	(1,454)
Accounts payable	428	941
Accrued expenses and other current liabilities	(5,475)	(4,679)
Other liabilities	0	(759)
Net cash used in operating activities	(48,977)	(41,506)
INVESTING ACTIVITIES:
Net cash provided by investing activities	0	0
FINANCING ACTIVITIES:
Proceeds from issuance of common stock and pre-funded warrants, net of issuance costs	0	104,748
Repayments of short-term borrowings	0	(311)
Exercise of common warrants	0	9,025
Exercise of stock options	0	343
Net cash provided by financing activities	0	113,805
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(48,977)	72,299
Cash and cash equivalents at beginning of period	79,398	49,898
Cash and cash equivalents at end of period	30,421	122,197
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Conversion of warrant liabilities to equity for warrant exercises	$ 0	$ 52,193