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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Cash flows from operating activities:      
Net loss $ (10,474,332) $ (5,689,003)  
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation and amortization 173,989 190,595  
Change in fair value of earn-out milestone liability 151,000  
Recognition of deferred revenue (125,000) (125,000)  
Stock-based compensation 994,614 1,579,326  
Deferred income tax asset 1,383,446 1,845,823  
Amortization of deferred finance charges and debt discount associated with notes payable 45,315 37,301  
Net changes in:      
Accrued interest on investment securities 93,198  
Receivable on sale of net operating losses (1,845,823)  
Advances, deposits, and other current assets 27,256 17,500  
Accounts payable and accrued liabilities (95,006) (898,581)  
Net cash used in operating activities: (7,976,520) (4,736,862)  
Cash flows from investing activities:      
Purchases of investment securities (2,966,723) (14,998,260)  
Proceeds from sale and maturity of investment securities 19,775,000  
Purchases of property and equipment (55,890) (126,597)  
Net cash provided by (used in) investing activities 16,752,387 (15,124,857)  
Cash flows from financing activities:      
Proceeds from redeemable convertible preferred stock offering 28,500,000  
Payment upon redemption of redeemable convertible preferred stock (28,500,000)  
Proceeds from sale of common stock equity, net of issuance costs 38,943,478  
Proceeds from exercise of common stock warrants 1,508,666  
Proceeds from exercise of options to purchase common stock 4,725  
Net cash provided by financing activities 40,456,869  
Net change in cash, cash equivalents and restricted cash 8,775,867 20,595,150  
Cash, cash equivalents and restricted cash at beginning of period 25,586,272 17,164,177 $ 17,164,177
Cash, cash equivalents and restricted cash at end of period 34,362,139 37,759,327 $ 25,586,272
Supplemental disclosures of cash flow information:      
Interest paid on note payable and redemption of convertible redeemable preferred stock (4,211,856) (120,313)  
Cash paid for amounts included in measurement of lease liabilities:      
Operating cash flows from lease payments 149,573 130,595  
Realized and unrealized (losses) gains, net, on investment securities $ (51,004) $ 1,785