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OIL AND NATURAL GAS PROPERTIES (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2022 | Apr. 30, 2021 | Jun. 30, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Sep. 30, 2021
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |  |
Payments to acquire oil and natural gas properties |  |  |  |  |  | $ 1,563 | $ 348 |
Proceeds from the sale of oil and natural gas assets |  |  |  |  |  | 0 | 60 |
Income taxes receivable |  |  | $ 575 |  |  | 575 |  | $ 530
Impairment of assets |  |  | $ 0 |  | $ 0 | $ 0 | $ 630 |
Barnwell Industries Inc | Twining, Alberta, Canada |  |  |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |  |
Payments to acquire oil and natural gas properties | $ 1,246 | $ 348 |  | $ 317 |  |  |  |
Asset retirement obligation assumed | $ 1,500 |  |  |  |  |  |  |
Barnwell Industries Inc | Hillsdown, Alberta, Canada |  |  |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |  |
Proceeds from the sale of oil and natural gas assets |  | 132 |  |  |  |  |  |
Income taxes receivable |  | $ 72 |  |  |  |  |  |

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