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Condensed Consolidated Statements of Operations - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Revenue:        
Total revenue $ 75,000 $ 0 $ 141,160 $ 1,445,366
Operating expenses:        
Research and development 5,998,766 6,046,670 12,613,482 13,878,939
General and administrative 8,248,216 8,257,617 16,591,964 18,137,820
Total operating expenses 14,246,982 14,304,287 29,205,447 32,016,759
Loss from operations (14,171,982) (14,304,287) (29,064,286) (30,571,393)
Other income (expense), net 1,763,652 (284,127) 3,299,747 (125,076)
Loss before provision for income taxes (12,408,330) (14,588,414) (25,764,539) (30,696,470)
Provision for income taxes 0 0 0 0
Net loss $ (12,408,330) $ (14,588,414) $ (25,764,539) $ (30,696,470)
Net loss per share, basic (in dollars per share) $ (0.18) $ (0.21) $ (0.37) $ (0.44)
Net loss per share, diluted (in dollars per share) $ (0.18) $ (0.21) $ (0.37) $ (0.44)
Weighted-average common shares outstanding, basic (in shares) 70,534,181 70,391,458 70,512,479 70,391,236
Weighted-average common shares outstanding, diluted (in shares) 70,534,181 70,391,458 70,512,479 70,391,236