Derivative liabilities (Details 2) - $ / shares |
1 Months Ended | 3 Months Ended | 12 Months Ended |
|---|---|---|---|
Aug. 16, 2019 |
Mar. 31, 2026 |
Dec. 31, 2025 |
|
| Quoted market price on valuation date | $ 0.018 | $ 0.020 | |
| Effective contractual conversion rates | $ 0.017 | $ 0.018 | |
| Contractual term to maturity | 6 months | 6 months | 9 months |
| Risk-adjusted interest rate | 10.00% | 10.00% | 10.00% |
| Bottom [Member] | |||
| Quoted market price on valuation date | $ 0.014 | ||
| Effective contractual conversion rates | $ 0.0118 | ||
| Volatility | 200.36% | 162.51% | 122.75% |
| Top [Member] | |||
| Quoted market price on valuation date | $ 0.045 | ||
| Effective contractual conversion rates | $ 0.0366 | ||
| Volatility | 332.78% | 249.23% | 209.58% |