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Statements of Cash Flows - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Cash flows from operating activities:      
Net loss $ (14,458,548) $ (12,430,912) $ (17,564,968)
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation 91,828 69,101 98,606
Amortization of right-of-use asset 284,745    
Share-based compensation expense 726,575 264,774 395,329
Changes in assets and liabilities:      
Prepaid expenses and other current assets 130,276 (385,152) (144,444)
Accounts payable and accrued expenses 791,661 1,234,270 1,843,722
Deferred grant income 54,306 (6,990) (30,528)
Grants receivable 360,229 (487,879) (360,229)
Security deposit (111,856)    
Operating lease liability (280,262)    
Net cash used in operating activities (12,411,046) (11,742,788) (15,762,512)
Cash flows from investing activities:      
Purchase of equipment (35,609) (72,704) (100,919)
Net cash used in investing activities (35,609) (72,704) (100,919)
Cash flows from financing activities:      
Net proceeds from sales of common stock 14,931,171   1,300,000
Proceeds from exercise of stock options   5,989 5,989
Payments of deferred offering costs   (225,817)  
Net cash provided by (used in) financing activities 14,931,171 (219,828) 5,989
Net change in cash 2,484,516 (12,035,320) (15,857,442)
Cash, beginning of period 4,968,418 20,825,860 20,825,860
Cash, end of period 7,452,934 8,790,540 4,968,418
Supplemental disclosure of cash flow      
Interest related to insurance premium payment plan 20,535 20,623 $ 37,115
Supplemental disclosure of non-cash investing and financing activities:      
Right-of-use assets obtained in exchange for operating lease liabilities $ 874,957    
Deferred offering costs included in accounts payable and accrued expenses   $ 10,000