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Condensed Statements of Operations (Unaudited) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Revenues $ 0 $ 0 $ 0 $ 0
Cost and expenses:        
Depreciation 6,224 6,489 19,498 15,579
Research and development 3,593,309 1,431,999 8,191,172 5,127,419
General and administrative 2,511,121 2,000,437 8,798,417 8,774,844
Total costs and expenses 6,110,654 3,438,925 17,009,087 13,917,842
Operating loss (6,110,654) (3,438,925) (17,009,087) (13,917,842)
Interest income 27,877 1,060 34,500 4,146
Net loss $ (6,082,777) $ (3,437,865) $ (16,974,587) $ (13,913,696)
Net loss per share—basic and diluted (in dollars per share) $ (0.13) $ (0.07) $ (0.35) $ (0.30)
Weighted average number of common shares— basic and diluted (in shares) 47,984,724 47,612,419 47,919,626 46,851,241