XML 17 R5.htm IDEA: XBRL DOCUMENT v3.23.1
Statements of Stockholders' Equity - USD ($)
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Total
Balance at Dec. 31, 2019 $ 43,465 $ 412,599,772 $ (258,442,650) $ 154,200,587
Balance, shares at Dec. 31, 2019 43,466,933      
Issuance of common stock, net of issuance costs $ 5,163 17,819,554   17,824,717
Issuance of common stock, net of issuance costs, shares 5,161,502      
Exercise of options and warrants and vesting of restricted stock units $ 390 318,907   319,297
Exercise of options and warrants and vesting of restricted stock units, shares 389,187      
Stock-based compensation   6,901,758   6,901,758
Net loss     (51,026,903) (51,026,903)
Balance at Dec. 31, 2020 $ 49,018 437,639,991 (309,469,553) 128,219,456
Balance, shares at Dec. 31, 2020 49,017,622      
Issuance of common stock, net of issuance costs $ 3,092 10,696,225   10,699,317
Issuance of common stock, net of issuance costs, shares 3,092,603      
Exercise of options and vesting of restricted stock units $ 204 24,825   25,029
Exercise of options and vesting of restricted stock units, shares 203,669      
Stock-based compensation   6,087,286   6,087,286
Net loss     (63,427,437) (63,427,437)
Balance at Dec. 31, 2021 $ 52,314 454,448,327 (372,896,990) 81,603,651
Balance, shares at Dec. 31, 2021 52,313,894      
Issuance of common stock, net of issuance costs $ 1,954 4,155,454   4,157,408
Issuance of common stock, net of issuance costs, shares 1,953,854      
Vesting of restricted stock units $ 110 (110)    
Vesting of restricted stock units, shares 110,050      
Stock-based compensation   3,857,580   3,857,580
Net loss     (46,688,802) (46,688,802)
Balance at Dec. 31, 2022 $ 54,378 $ 462,461,251 $ (419,585,792) $ 42,929,837
Balance, shares at Dec. 31, 2022 54,377,798