Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue:
Total revenue	$ 221	$ 1,036
Operating expenses:
Research and development	737	17,220
General and administrative	3,719	4,345
Total operating expenses	4,456	21,565
Loss from operations	(4,235)	(20,529)
Other income (expense):
Interest expense	(18)	(734)
Other income (expense), net	71	(15)
Net loss	$ (4,182)	$ (21,278)
Basic net loss per common share (in Dollars per share)	$ (0.04)	$ (0.32)
Weighted average common shares outstanding used to calculate basic net loss per common share (in Shares)	119,080,135	65,590,724
License revenue
Revenue:
Total revenue	$ 221	$ 1,036