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Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Grant revenue $ 322,569 $ 1,939,751 $ 3,997,784 $ 7,575,972
Operating expenses:        
Research and development 6,040,442 5,125,097 15,986,865 11,711,746
General and administrative 2,326,326 2,210,927 7,974,277 6,850,536
Total operating expenses 8,366,768 7,336,024 23,961,142 18,562,282
Loss from operations (8,044,199) (5,396,273) (19,963,358) (10,986,310)
Other income (expense):        
Other expense (1,227) (3,440) (11,618) (3,717)
Interest income 318,787 646,172 1,095,899 1,405,246
Total other income, net 317,560 642,732 1,084,281 1,401,529
Net loss $ (7,726,639) $ (4,753,541) $ (18,879,077) $ (9,584,781)
Per share information:        
Net loss per share of common stock, basic and diluted (in dollars per share) $ (0.84) $ (0.55) $ (2.1) $ (1.22)
Weighted average shares outstanding, basic and diluted (in shares) 9,252,719 8,702,764 8,970,668 7,861,757
Net unrealized gain (loss) on marketable securities $ 6,607 $ 142,864 $ (50,373) $ 123,162
Total comprehensive loss $ (7,720,032) $ (4,610,677) $ (18,929,450) $ (9,461,619)