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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Revenues:    
Total revenues $ 1,244,061 $ 1,234,336
Operating expenses:    
Research and development 2,575,015 3,376,497
General and administrative 1,218,063 2,167,318
Total operating expenses 3,793,078 5,543,815
Loss from operations (2,549,017) (4,309,479)
Other income (expenses):    
Interest income 156,195 84,654
Loss from continuing operations (2,392,822) (4,224,825)
Discontinued operations:    
Loss from discontinued operations, net of tax   (742,751)
Loss from discontinued operations   (742,751)
Net loss $ (2,392,822) $ (4,967,576)
Net loss per share:    
Loss from continuing operations, basic $ (0.27) $ (0.48)
Loss from discontinued operations, basic   (0.09)
Net loss per share, basic (0.27) (0.57)
Loss from continuing operations, diluted (0.27) (0.48)
Loss from discontinued operations, diluted   (0.09)
Net loss per share, diluted $ (0.27) $ (0.57)
Weighted average number of common shares outstanding, basic 8,901,962 8,721,031
Weighted average number of common shares outstanding, diluted 8,901,962 8,721,031
Grant income    
Revenues:    
Total revenues $ 1,244,061 $ 1,234,336