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Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Operating expenses:        
Research and development $ 2,123,114 $ 5,791,407 $ 7,063,626 $ 7,147,513
General and administrative 1,845,248 9,488,082 5,963,067 10,884,759
Operating loss (3,968,362) (15,279,489) (13,026,693) (18,032,272)
Interest and other income (expense), net (58,885) (10,559) (44,512) (23,994)
Loss before income taxes (4,027,247) (15,290,048) (13,071,205) (18,056,266)
Income tax benefit (expense)
Net loss (4,027,247) (15,290,048) (13,071,205) (18,056,266)
Other comprehensive income (loss):        
Change in unrealized gain (loss) loss on short-term investments 3,249 (166)
Comprehensive loss $ (4,023,998) $ (15,290,048) $ (13,071,371) $ (18,056,266)
Net loss per share of common stock, basic and diluted $ (0.36) $ (1.16)
Weighted average number of shares used in computing net loss per share of common stock, basic and diluted 11,309,412 11,309,412