Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue:
Total revenue	$ 417	$ 399	$ 21,146	$ 1,878
Operating expenses:
Research and development	175	6,118	10,374	18,916
General and administrative	1,111	1,693	4,235	5,535
Total operating expenses	1,286	7,811	14,609	24,451
(Loss) income from operations	(869)	(7,412)	6,537	(22,573)
Other income (expense):
Interest income (expense), net	1	(27)	31	(267)
Other income	26	23	77	68
Change in fair value of note payable	759	(823)	(1,400)	(1,212)
Net income (loss)	$ (83)	$ (8,239)	$ 5,245	$ (23,984)
Earnings (net loss) per share:
Basic	$ 0.00	$ (0.47)	$ 0.15	$ (1.35)
Diluted	$ 0.00	$ (0.47)	$ 0.11	$ (1.35)
Weighted-average common shares outstanding used in computing net loss per share available to common stockholders:
Basic	37,428,943	17,701,592	35,562,129	17,701,592
Diluted	37,428,943	17,701,592	47,178,967	17,701,592
Other comprehensive (loss) income	$ 1,261		$ 2,736
Total comprehensive income (loss)	1,178	(8,239)	7,981	(23,984)
Grant [Member]
Revenue:
Total revenue	417	399	1,544	1,878
License [Member]
Revenue:
Total revenue			$ 19,602