Fair Values of Financial Instruments - Schedule of the Company's Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Financial assets | ||
| Financial assets | $ 1,951 | $ 4,152 |
| Level 1 [Member] | Investment in Green Technology Metals Limited [Member] | ||
| Financial assets | ||
| Financial assets | 165 | 537 |
| Level 3 [Member] | Embedded Derivative [Member] | ||
| Financial liabilities | ||
| Financial liabilities | 90,438 | 0 |
| Level 3 [Member] | Investment in Ascend Elements [Member] | ||
| Financial assets | ||
| Financial assets | $ 1,786 | $ 3,615 |