5. Accounts Payable (Details Narrative) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Payables and Accruals [Abstract] | ||
| [custom:AccountsPayableCurrentEstimated-0] | $ 5.2 | $ 4.9 |
| [custom:ClinicalTrialExpensesPayable-0] | 3.3 | 3.3 |
| [custom:LegalAndPatentFeesPayable-0] | 0.6 | 0.6 |
| [custom:PayableDrugManufacturingDevelopmentAndTestingServices-0] | 0.4 | $ 0.4 |
| [custom:PublicCompanyRegistrationAndFilingFeesPayable-0] | 0.2 | |
| [custom:ProfessionalAndConsultingFeesPayable-0] | $ 0.2 |