Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating expenses:
General and administrative expenses	$ 586	$ 577
Gain on sale of in-process research and development	(139)	(445)
Total operating expenses	447	132
Loss from operations	(447)	(132)
Other income:
Interest income	176
Total other income	176
Net loss and comprehensive loss	$ (271)	$ (132)
Net loss per common share - basic	$ (0.02)	$ (0.01)
Net loss per common share - diluted	$ (0.02)	$ (0.01)
Weighted-average common shares used to compute basic net loss per common share	14,252	13,410
Weighted-average common shares used to compute diluted net loss per common share	14,252	13,410