OIL AND NATURAL GAS PROPERTIES AND ASSET RETIREMENT OBLIGATIONS (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 45 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
Aug. 28, 2025 |
Aug. 08, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2025 |
Sep. 30, 2025 |
|
| Oil and Natural Gas Properties [Line Items] | ||||||||
| Proceeds from the sale of oil and natural gas assets | $ 0 | $ 282 | ||||||
| Impairment of assets | $ 0 | $ 52 | 0 | 665 | ||||
| Abandonment and reclamation cost, cash deposit | $ 975 | |||||||
| Unused deposit, current | 173 | 173 | $ 173 | |||||
| Unused deposit, non-current | 221 | 221 | 222 | |||||
| Receivables, non-current | 93 | 93 | $ 61 | |||||
| United States | ||||||||
| Oil and Natural Gas Properties [Line Items] | ||||||||
| Proceeds from the sale of oil and natural gas assets | $ 2,300 | |||||||
| Medicine River, Alberta, Canada | Barnwell Industries Inc | ||||||||
| Oil and Natural Gas Properties [Line Items] | ||||||||
| Proceeds from the sale of oil and natural gas assets | $ 288 | |||||||
| Oil and natural gas | ||||||||
| Oil and Natural Gas Properties [Line Items] | ||||||||
| Impairment of assets | $ 0 | $ 52 | $ 0 | $ 665 | ||||