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Consolidated Statement of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Cash flows from operating activities:    
Net loss $ (22,457,859) $ (27,991,212)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 204,617 121,749
Share-based compensation 3,860,366 3,026,846
Gain on forgiveness of liability (266,780) (2,790,809)
Changes in operating assets and liabilities:    
Prepaid expenses 245,589 (296,945)
Accounts payable (1,917,557) 2,660,769
Accrued liabilities and other current liabilities 2,025,124 3,424,921
Other operating assets and liabilities 2,543,988 2,977,838
Net cash used in operating activities (15,762,512) (18,866,843)
Cash flows from investing activities:    
Purchases of equipment (73,561) (250,046)
Net cash used in investing activities (73,561) (250,046)
Cash flows from financing activities:    
Purchase of treasury shares to satisfy tax withholdings (477,639) (157,194)
Proceeds from employee stock purchases and option exercises 70,466 1,595
Net cash used in financing activities (407,173) (155,599)
Effect of exchange rate changes on cash (25,250) 19,385
Net decrease in cash (16,268,496) (19,253,103)
Cash, beginning of period 19,635,725 38,888,828
Cash, end of period 3,367,229 19,635,725
Supplemental cash flow information:    
Cash paid for interest 27,509 10,820
Supplemental disclosures - non-cash activities:    
Purchases of plant and equipment in accounts payable   177,680
Insurance financing agreement 109,000 444,000
Employee Bonus    
Supplemental disclosures - non-cash activities:    
Issuance of common stock, $0.00001 par value, for payment of employee bonuses 1,011,360 $ 293,523
Payment For Services    
Supplemental disclosures - non-cash activities:    
Issuance of common stock, $0.00001 par value, for payment of employee bonuses $ 30,000