CONDENSED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Collaboration revenue	$ 1	$ 0
Operating expenses:
Research and development	126	6,504
General and administrative	1,617	3,168
Total operating expenses	1,743	9,672
Loss from operations	(1,742)	(9,672)
Other income (expense):
Interest expense	0	(853)
Other income, net	60	477
Other income (expense), net	60	(376)
Net loss	$ (1,682)	$ (10,048)
Earnings per share, Basic	$ (0.11)	$ (0.63)
Earnings per share, Diluted	$ (0.11)	$ (0.63)
Weighted average common shares outstanding, basic	16,012,522	15,978,623
Weighted average common shares outstanding, diluted	16,012,522	15,978,623