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Consolidated Statements of Stockholders' Equity - USD ($)
Total
License Agreement
Common Stock
Common Stock
License Agreement
Additional Paid-in Capital
Additional Paid-in Capital
License Agreement
Accumulated Deficit
Beginning balance at Dec. 31, 2019 $ 178,722,389   $ 3,693   $ 354,614,189   $ (175,895,493)
Balance (in shares) at Dec. 31, 2019     36,933,217        
Stock-based compensation 14,756,206       14,756,206    
Issuance of common stock upon exercise of options 1,049,849   $ 13   1,049,836    
Issuance of common stock upon exercise of options (in shares)     127,778        
Exercise of warrants 6   $ 6        
Exercise of warrants (in shares)     63,831        
Issuance of warrants upon debt financing 884,216       884,216    
Issuance of common stock upon financing 14,125,506 $ 7,155,337 $ 17 $ 8 14,125,489 $ 7,155,329  
Issuance of common stock upon financing (in shares)     167,243 82,019      
Net loss (102,900,600)           (102,900,600)
Ending balance at Dec. 31, 2020 113,792,909   $ 3,737   392,585,265   (278,796,093)
Balance (in shares) at Dec. 31, 2020     37,374,088        
Stock-based compensation 20,801,380       20,801,380    
Issuance of common stock upon exercise of options 4,402,400   $ 33   4,402,367    
Issuance of common stock upon exercise of options (in shares)     326,219        
Issuance of common stock upon vesting of RSUs 1   $ 1        
Issuance of common stock upon vesting of RSUs (in shares)     6,191        
Issuance of common stock upon financing 7,212,367   $ 11   7,212,356    
Issuance of common stock upon financing (in shares)     110,296        
Shares tendered for withholding taxes (175,713)   $ 0   (175,713)    
Net loss (130,402,992)   0       (130,402,992)
Ending balance at Dec. 31, 2021 $ 15,630,352   $ 3,782   424,825,655   (409,199,085)
Balance (in shares) at Dec. 31, 2021 37,816,794   37,816,794        
Stock-based compensation $ 37,726,158       37,726,158    
Issuance of common stock upon exercise of options $ 6,251,173   $ 34   6,251,139    
Issuance of common stock upon exercise of options (in shares) 340,149   340,149        
Exercise of warrants $ 826,153       826,153    
Issuance of common stock upon vesting of RSUs 0   $ 2   (2)    
Issuance of common stock upon vesting of RSUs (in shares)     21,214        
Issuance of common stock upon financing 236,788,056   $ 532   236,787,524    
Issuance of common stock upon financing (in shares)     5,320,460        
Shares tendered for withholding taxes (531,832)       (531,832)    
Net loss (187,133,651)           (187,133,651)
Ending balance at Dec. 31, 2022 $ 109,556,409   $ 4,350   $ 705,884,795   $ (596,332,736)
Balance (in shares) at Dec. 31, 2022 43,498,617   43,498,617