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OIL AND NATURAL GAS PROPERTIES AND ASSET RETIREMENT OBLIGATIONS (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 45 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Mar. 31, 2025 | Sep. 30, 2024
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |
Proceeds from the sale of oil and natural gas assets |  |  | $ 282 | $ 451 |  |
Impairment of assets | $ 200 | $ 599 | 865 | 2,276 |  |
Abandonment and reclamation cost, cash deposit |  |  |  |  | $ 975 |
Unused deposit, current | 239 |  | 239 |  |  | $ 527
Unused deposit, non-current | 227 |  | 227 |  |  |
Receivables, non-current | 54 |  | 54 |  |  |
Kaybob, Alberta, Canada | Barnwell Industries Inc |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |
Proceeds from the sale of oil and natural gas assets |  | 441 |  |  |  |
Oil and natural gas |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |
Impairment of assets | 200 | 599 | 865 | 2,276 |  |
Oil and natural gas | United States |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |
Impairment of assets | $ 200 | 112 | $ 865 | 112 |  |
Oil and natural gas | Canada |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |
Impairment of assets |  | $ 487 |  | $ 2,164 |  |

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