Critical accounting judgements and key sources of estimation uncertainty (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Apr. 20, 2026 |
Dec. 15, 2021 |
|
| Convertible Senior Secured Notes, additional facility under third supplemental indenture | |||
| Critical accounting judgements and key sources of estimation uncertainty | |||
| Maximum value of additional convertible notes issuable | $ 50,000,000 | ||
| Mudrick capital | Convertible Senior Secured Notes | |||
| Critical accounting judgements and key sources of estimation uncertainty | |||
| Notional amount | $ 200,000,000 | ||
| Conversion rate (in shares) | 9.09091 | ||
| Convertible senior secured notes principal amount, per instrument | $ 1,000 | ||
| Ordinary shares | 47,343,585 | ||
| Mudrick capital | Convertible Senior Secured Notes, additional facility under third supplemental indenture | |||
| Critical accounting judgements and key sources of estimation uncertainty | |||
| Maximum value of additional convertible notes issuable | $ 50,000,000 |