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Statements of Cash Flows - USD ($)
 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Cash flows from operating activities:    
Net loss $ (5,724,275) $ (2,751,080)
Adjustments to reconcile net loss to net cash used in operating activities:    
Amortization of deferred financing fees   129
Amortization of debt discount   396
Share-based compensation expense, including stock issued to consultants and advisors 31,969 1,111,272
Change in fair value of derivative liability   26,500
Changes in operating assets and liabilities:    
Grant receivable   535,854
Prepaid expenses and other current assets (227,364) (228,146)
Accounts payable (232,028) (913,071)
Accrued expenses 532,267 (64,065)
Net cash used in operating activities (5,619,431) (2,282,211)
Cash flows from financing activities:    
Proceeds from issuance of common stock, net of issuance costs 46,673,869 12,034,406
Proceeds from exercise of stock options 95,102 9,217
Net cash provided by financing activities 46,768,971 12,043,623
Net increase in cash 41,149,540 9,761,412
Cash and cash equivalents, beginning of year 8,074,658 1,858
Cash and cash equivalents, end of year 49,224,198 9,763,270
Supplemental disclosure of non-cash financing activities:    
Common stock issuance costs in accounts payable and accrued expenses $ 5,456  
Conversion of redeemable convertible preferred stock to common stock   7,076,952
Conversion of convertible promissory notes, including embedded derivative, to common stock   $ 672,524