Exploration Assets (Details) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2020
USD ($)
|
Jul. 22, 2011
USD ($)
|
Dec. 31, 2025 |
|
| TOML Acquisition. | |||
| Exploration Contracts | |||
| Metric tones of polymetallic nodules (in Grams) | 32.0 | ||
| Exploration contracts | $ 42.7 | ||
| Deferred tax liability | $ 10.7 | ||
| NORI | NORI Exploration Contract | |||
| Exploration Contracts | |||
| Application fee | $ 0.3 | ||
| Term (in year) | 15 years | ||
| Renewable for successive term | 5 years | ||
| TOML | TOML Exploration Contract | |||
| Exploration Contracts | |||
| Term (in year) | 15 years | ||
| Renewable for successive term | 5 years |