Condensed Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Condensed Statements of Operations
Collaboration revenue	$ 2,364
Operating expenses:
Research and development	3,913	$ 8,078
General and administrative	2,922	3,576
Total operating expenses	6,835	11,654
Loss from operations	(4,471)	(11,654)
Other income (expense):
Interest income	201	1
Net loss	$ (4,270)	$ (11,653)
Per share information:
Net loss per common share, Basic	$ (0.35)	$ (0.96)
Net loss per common share, Diluted	$ (0.35)	$ (0.96)
Weighted-average common shares outstanding, Basic	12,182,478	12,122,903
Weighted-average common shares outstanding, Diluted	12,182,478	12,122,903