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Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Operating activities:    
Net loss $ (11,049,549) $ (8,571,516)
Adjustments to reconcile net loss to net cash used in operating activities:    
Non-cash stock-based compensation 1,191,740 710,710
Depreciation and amortization 21,077 20,295
Non-cash interest on investments   (346,390)
Loss on disposal of investments   448,903
(Gain) loss on disposal of property and equipment (198) 472
Change in carrying amount of right-of-use asset 173,522 194,502
Changes in assets and liabilities:    
Prepaid expenses and other assets (491,005) 287,628
Accounts payable, accrued liabilities and other liabilities (312,347) 19,238
Operating lease liabilities (176,204) (194,880)
Net cash used in operating activities (10,642,964) (7,431,038)
Investing activities:    
Proceeds from disposal of investments   39,929,015
Proceeds from sale of property and equipment 198  
Acquisitions of property and equipment (895) (21,299)
Net cash provided by (used in) investing activities (697) 39,907,716
Financing activities:    
Effect of exchange rate changes on cash and cash equivalents 3,957 17,271
Net change in cash and cash equivalents (10,639,704) 32,493,949
Cash and cash equivalents, beginning of year 50,999,442 18,505,493
Cash and cash equivalents, end of year 40,359,738 50,999,442
Supplemental disclosure of cash flow information:    
Right-of-use asset obtained in exchange for operating lease liability 42,281 139,001
Change in carrying amount of right-of-use asset due to termination of lease 79,229  
Income taxes paid $ 5,042 $ 3,667