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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Cash flows from operating activities:    
Net loss $ (4,669,214) $ (2,876,811)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 24,538 17,871
Stock-based compensation expense 412,329 163,553
Gain on debt extinguishment 0 (172,056)
Changes in assets and liabilities:    
Grant funds and other receivables 49,006 182,663
Prepaid expenses and other current assets (939,487) 71,319
Deposits and other assets (976,498) 0
Accounts payable and accrued expenses (2,067,492) (266,105)
Total adjustments (3,497,604) (2,755)
Net cash used in operating activities (8,166,818) (2,879,566)
Cash flows from investing activities    
Purchase of equipment (82,383) (19,929)
Net cash used in investing activities (82,383) (19,929)
Cash flows from financing activities:    
Net proceeds from sale of common stock 27,727,194 9,408,920
Net proceeds from warrant exercises 591 3,174,156
Repurchase of preferred stock 0 (1,000)
Principal repayment of note payable 0 (27,864)
Net cash provided by financing activities 27,727,785 12,554,212
Net increase in cash and cash equivalents 19,478,584 9,654,717
Cash and cash equivalents at beginning of period 11,423,870 9,883,796
Cash and cash equivalents at end of period $ 30,902,454 $ 19,538,513