Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating expenses:
General and administrative expenses	$ 669	$ 586
Gain on sale of in-process research and development		(139)
Total operating expenses	669	447
Loss from operations	(669)	(447)
Other income:
Interest income	233	176
Total other income	233	176
Net loss from continuing operations	(436)	(271)
Discontinued operations:
Income from discontinued operations, net of tax	201,806
Net income and comprehensive income	$ 201,370	$ (271)
Basic and dilutive net income (loss) per common share
Net loss from continuing operations - basic	$ (0.03)	$ (0.02)
Net loss from continuing operations - diluted	(0.03)	(0.02)
Net income from discontinued operations, net of tax - basic	13.96
Net income from discontinued operations, net of tax - diluted	13.96
Net income (loss) per common share - basic	13.93	(0.02)
Net income (loss) per common share - diluted	$ 13.93	$ (0.02)
Weighted-average common shares used to compute basic net income (loss) per common share	14,452	14,252
Weighted-average common shares used to compute diluted net income (loss) per common share	14,452	14,252