v3.26.3
General and administrative expenses - Schedule of General and Administrative Expenses (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Selling, general and administrative expense [abstract]        
Staff costs $ 1,483,655 $ 1,168,364 $ 3,758,200 $ 4,214,736
Professional fees 238,081 302,982 506,400 678,590
Legal fees 349,494 313,326 767,315 925,928
Directors’ fees 193,549 122,135 554,179 463,418
Depreciation of property and equipment 278,264 287,454 828,322 763,596
Depreciation of right-of-use assets 81,583 92,516 243,662 247,115
Impairment of intangible assets 0 0 696,180 0
Withholding tax expense 211,425 0 386,534 0
Laboratory costs 78,447 241,826 453,119 496,841
Provision for bad debt 0 0 0 400,000
Amortization of intangible assets 0 588 53,049 68,507
Impairment of VAT receivable 15,400 334,162 1,015,378 804,425
Rent & rates 66,777 106,694 194,430 322,708
Share-based expense - RSU & share options 1,716,402 852,869 4,860,171 852,869
Travel 89,785 42,539 220,694 152,365
Audit & accountancy fees 226,992 135,926 548,638 553,698
Insurance 150,808 161,748 463,856 752,031
Other administrative expenses 318,245 334,700 795,844 810,432
General and administrative expense $ 5,498,907 $ 4,497,829 $ 16,345,971 $ 12,507,259