Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating expenses:
Research and development (includes related party amounts of $2,426 and $4,926, respectively)	$ 45,908	$ 10,014
In-process research and development - related party	2,500	37,656
General and administrative (includes related party amounts of $40 and $619, respectively)	16,705	5,756
Total operating expenses	65,113	53,426
Loss from operating ,Total	(65,113)	(53,426)
Other income (expense):
Interest income	3,875
Interest expense (includes related party amounts of $(717) and $(740), respectively)	(3,414)	(2,844)
Change in fair value of convertible promissory notes (includes related party amounts of $(13,196) and $(6,258), respectively)	(51,469)	(20,204)
Change in fair value of warrant liabilities - related party	(43,575)	(25,911)
Other income (expense)	(113)	(23)
Total other income (expense)	(94,696)	(48,982)
Net loss	(159,809)	(102,408)
Other comprehensive loss:
Pension and other postemployment benefits	(281)
Total comprehensive loss	$ (160,090)	$ (102,408)
Net loss per share, basic	$ (5.89)	$ (18.22)
Net loss per share, diluted	$ (5.89)	$ (18.22)
Weighted-average shares of common stock outstanding, basic	27,147,314	5,619,182
Weighted-average shares of common stock outstanding, diluted	27,147,314	5,619,182