CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flow from operating activities
Net loss	$ (9,902)	$ (6,324)
Adjustments to reconcile net loss to net cash used in operating activities
Stock-based compensation	642	591
Amortization of right of use assets	67	63
Depreciation	65	56
(Increase) decrease in operating assets
Prepaid drug product	(1,824)	(840)
Other current assets	(297)	(591)
Increase (decrease) in operating liabilities
Accounts payable and accrued expenses	1,220	(1)
Lease liabilities	(74)	(70)
Net cash used in operating activities	(10,103)	(7,116)
Cash flow from investing activities
Purchases of furniture, fixtures & equipment	(21)	(47)
Net cash used in investing activities	(21)	(47)
Cash flow from financing activities
Net proceeds from sale of common stock		15,852
Net proceeds from exercise of warrants		4,157
Net cash provided by financing activities		20,009
Net (decrease) increase in cash	(10,124)	12,846
Cash, beginning of period	23,774	13,755
Cash, end of period	13,650	$ 26,601
Non-cash operating activities
Right of use asset recognized in exchange for lease obligation	$ 85