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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Dec. 31, 2021
Cash flows from operating activities:      
Net loss $ (18,374,354) $ (14,021,125) $ (18,570,317)
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation expense 51,956 56,284 38,521
Stock-based compensation expense 813,499 902,074 369,987
Changes in assets and liabilities:      
Grant funds receivable (0) (49,006) (133,657)
Prepaid expenses and other current assets 707,084 1,165,705 16,270
Other assets (986,498) 2,163,276 (0)
Accounts payable and accrued expenses 2,333,791 (2,687,466) 6,810,233
Total adjustments 3,478,660 (5,009,083) 7,373,897
Net cash used in operating activities (14,895,694) (19,030,208) (11,196,420)
Cash flows from investing activities:      
Purchase of equipment 29,997 134,258 47,718
Net cash used in investing activities (29,997) (134,258) (47,718)
Cash flows from financing activities:      
Net proceeds from sale of common stock and warrants 0 27,727,194 9,408,920
Net proceeds from warrant exercise 0 7,626,134 3,404,156
Net cash provided by financing activities 0 35,353,328 12,784,212
Net increase (decrease) in cash and cash equivalents (14,925,691) 16,188,862 1,540,074
Cash and cash equivalents at beginning of period 27,612,732 11,423,870 9,883,796
Cash and cash equivalents at end of period $ 12,687,041 $ 27,612,732 $ 11,423,870