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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Operating activities:    
Net loss $ (11,515,464) $ (20,621,286)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 0 67,302
Stock-based compensation expense 738,142 642,952
Amortization of premium and discount on marketable securities (122,157) 0
Intangible asset impairment charge 0 8,639,000
Deferred income taxes 0 (443,893)
Changes in operating assets and liabilities:    
Prepaid expenses, deposits and other assets 60,709 (119,080)
Accounts payable, accrued expenses and other liabilities (657,032) 358,703
Net cash used in operating activities (11,495,802) (11,476,302)
Cash flows provided by investing activities:    
Purchase of marketable securities (37,985,738) 0
Maturities of marketable securities 18,750,000 0
Net cash used in investing activities (19,235,738) 0
Proceeds from the sale of preferred stock 5,000 0
Proceeds from the exercise of common stock warrants 0 2,201,450
Proceeds from the sale of common stock 0 31,094,302
Net cash provided by financing activities 5,000 33,295,752
Net (decrease) increase in cash and cash equivalents (30,726,540) 21,819,450
Cash and cash equivalents at beginning of period 37,313,558 18,515,595
Cash and cash equivalents at end of period 6,587,018 40,335,045
Supplemental disclosure of non-cash investing and financing activities:    
Unrealized loss on marketable securities $ 86,955 $ 0