Warrant liability - Schedule of warrants outstanding and exercisable (Details) - $ / shares |
3 Months Ended | ||
|---|---|---|---|
Jun. 30, 2025 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Class of Warrant or Right [Line Items] | |||
| Outstanding | 3,220,000 | 3,220,000 | 0 |
| Exercisable | 3,220,000 | ||
| Warrant One [Member] | |||
| Class of Warrant or Right [Line Items] | |||
| Outstanding | 2,875,000 | ||
| Exercisable | 2,875,000 | ||
| Exercise Price | $ 6 | ||
| Warrant Two [Member] | |||
| Class of Warrant or Right [Line Items] | |||
| Outstanding | 345,000 | ||
| Exercisable | 345,000 | ||
| Exercise Price | $ 5 |