CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flow from operating activities
Net loss	$ (3,157)	$ (5,273)
Adjustments to reconcile net loss to net cash used in operating activities
Stock-based compensation	170	206
Amortization of right of use assets	25	23
Depreciation	22	22
Change in fair value of warrant liability	(538)
(Increase) decrease in operating assets
Prepaid drug product		1,191
Other current assets	541	(20)
Increase (decrease) in operating liabilities
Accounts payable and accrued expenses	1,927	224
Lease liabilities	(28)	(26)
Net cash used in operating activities	(1,038)	(3,653)
Cash flow from financing activities
Net proceeds from sale of common stock	174
Net cash provided by financing activities	174
Net decrease in cash	(864)	(3,653)
Cash, beginning of period	1,052	10,384
Cash, end of period	$ 188	6,731
Supplemental disclosure of non-cash activities
Right of use asset recognized in exchange for lease obligation		$ 85