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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Cash flows from operating activities    
Net loss $ (73,626,588) $ (119,099,458)
Stock-based compensation 33,916,921 32,568,836
Realized loss on short-term investments 718,422 552,171
Unrealized (gain) loss on short-term investments (72,329) 3,897,135
Change in operating assets and liabilities:    
Lease payment receivable 86,377
Other receivable 512,432
Prepaid expenses and other assets 1,188,309 8,359,994
Accounts payable (2,405,184) (766,661)
Accrued expenses (1,641,475) 6,482,889
Net cash used in operating activities (41,409,492) (67,918,717)
Cash flows from investing activities    
Purchase of short-term investments (57,151,963) (38,993,173)
Sale of short-term investments 99,864,149 60,382,229
Net cash provided by investing activities 42,712,186 21,389,056
Cash flows from financing activities    
Payment of fees for warrants issued for common stock (50,000)
Proceeds from issuance of common stock – net 42,728,599
Proceeds from options exercised for common stock 703,720
Proceeds from warrants exercised for common stock 1,228,272
Net cash provided by financing activities 44,610,591
Net increase /(decrease) in cash and cash equivalents 1,302,694 (1,919,070)
Cash and cash equivalents at beginning of the period 5,395,905 44,443,439
Cash and cash equivalents at end of the period 6,698,599 42,524,369
Non-cash investing and financing activities:    
Share exchange for Pre-funded warrants $ 1,452