UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating expenses:
Research and development	$ 3,488	$ 7,899
General and administrative	1,995	3,054
Total operating expenses	5,483	10,953
Loss from operations	(5,483)	(10,953)
Other expense, net	747	667
Net loss	$ (6,230)	$ (11,620)
Net loss per share, basic	$ (2.88)	$ (5.36)
Net loss per share, diluted	$ (2.88)	$ (5.36)
Weighted average number of shares of common stock used in computing net loss per share, basic	2,166,356	2,166,275
Weighted average number of shares of common stock used in computing net loss per share, diluted	2,166,356	2,166,275