Demonstration Plant (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Demonstration plant | ||||
| Plant operating expense | $ 1,427 | $ 1,137 | $ 2,733 | $ 1,992 |
| Personnel | ||||
| Demonstration plant | ||||
| Plant operating expense | 1,032 | 842 | 2,016 | 1,488 |
| Reagents | ||||
| Demonstration plant | ||||
| Plant operating expense | 2 | 18 | 21 | 40 |
| Repairs and maintenance | ||||
| Demonstration plant | ||||
| Plant operating expense | 65 | 25 | 118 | 56 |
| Supplies | ||||
| Demonstration plant | ||||
| Plant operating expense | 265 | 204 | 441 | 302 |
| Testwork | ||||
| Demonstration plant | ||||
| Plant operating expense | 4 | 6 | 4 | 9 |
| Office trailer rental | ||||
| Demonstration plant | ||||
| Plant operating expense | 13 | 16 | 28 | 23 |
| Other | ||||
| Demonstration plant | ||||
| Plant operating expense | $ 46 | $ 26 | $ 105 | $ 74 |