Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Revenues:
Total revenues	$ 2,000	$ 0
Cost and expenses:
Research and development	286	1,515
General and administrative	5,342	8,132
Impairment loss	0	3,304
Total cost and expenses	5,628	12,951
Loss from operations	(3,628)	(12,951)
Other income, net
Interest income	208	358
Gain from settlement of account payable	363	0
Total other income, net	571	358
Net loss from continuing operations	(3,057)	(12,593)
Discontinued operations:
Gain from discontinued operations	0	7,330
Net loss	$ (3,057)	$ (5,263)
Net income (loss) per share - basic and diluted
Net loss per share from continuing operations - basic	$ (1.21)	$ (5.39)
Net gain per share from discontinued operations - baisc	0	3.14
Basic net gain (loss) per share	(1.21)	(2.25)
Net loss per share from continuing operations - diluted	(1.21)	(5.39)
Net gain per share from discontinued operations - diluted	0	3.14
Diluted net gain (loss) per share	$ (1.21)	$ (2.25)
Weighted average shares used in calculating:
Basic shares	2,518	2,338
Diluted shares	2,518	2,338
Other comprehensive loss:
Net loss	$ (3,057)	$ (5,263)
Other comprehensive loss:
Foreign currency translation adjustment (loss) gain	(6)	8
Comprehensive loss	(3,063)	(5,255)
Revenue from license agreement
Revenues:
Total revenues	1,750	0
Option to license revenue
Revenues:
Total revenues	$ 250	$ 0