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REVENUE FROM CONTRACTS WITH CUSTOMERS - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | $ 5,506 | $ 5,650 | $ 17,402 | $ 18,348
Oil |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 3,597 | 3,423 | 10,474 | 9,696
Natural gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 378 | 622 | 1,768 | 2,540
Natural gas liquids |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 477 | 458 | 1,484 | 1,179
Drilling and pump |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 1,021 | 1,134 | 3,084 | 4,583
Contingent residual payments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income |  |  | 500 | 265
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 33 | 13 | 92 | 85
United states |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 1,556 | 2,004 | 5,573 | 6,552
Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 3,950 | 3,646 | 11,829 | 11,796
Goods transferred at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 4,485 | 4,516 | 14,318 | 13,765
Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 1,021 | 1,134 | 3,084 | 4,583
Oil and natural gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 4,452 | 4,503 | 13,726 | 13,415
Oil and natural gas | Oil |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 3,597 | 3,423 | 10,474 | 9,696
Oil and natural gas | Natural gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 378 | 622 | 1,768 | 2,540
Oil and natural gas | Natural gas liquids |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 477 | 458 | 1,484 | 1,179
Oil and natural gas | Drilling and pump |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Oil and natural gas | Contingent residual payments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income |  |  | 0 | 0
Oil and natural gas | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Oil and natural gas | United states |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 534 | 869 | 1,962 | 1,695
Oil and natural gas | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 3,918 | 3,634 | 11,764 | 11,720
Oil and natural gas | Goods transferred at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 4,452 | 4,503 | 13,726 | 13,415
Oil and natural gas | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Contract drilling |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 1,021 | 1,134 | 3,084 | 4,583
Contract drilling | Oil |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Contract drilling | Natural gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Contract drilling | Natural gas liquids |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Contract drilling | Drilling and pump |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 1,021 | 1,134 | 3,084 | 4,583
Contract drilling | Contingent residual payments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income |  |  | 0 | 0
Contract drilling | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Contract drilling | United states |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 1,021 | 1,134 | 3,084 | 4,583
Contract drilling | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Contract drilling | Goods transferred at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Contract drilling | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 1,021 | 1,134 | 3,084 | 4,583
Land investment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 500 | 265
Land investment | Oil |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Land investment | Natural gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Land investment | Natural gas liquids |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Land investment | Drilling and pump |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Land investment | Contingent residual payments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income |  |  | 500 | 265
Land investment | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Land investment | United states |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 500 | 265
Land investment | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Land investment | Goods transferred at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 500 | 265
Land investment | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 33 | 13 | 92 | 85
Other | Oil |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Other | Natural gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Other | Natural gas liquids |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Other | Drilling and pump |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 | 0 | 0 | 0
Other | Contingent residual payments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income |  |  | 0 | 0
Other | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 33 | 13 | 92 | 85
Other | United states |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 1 | 1 | 27 | 9
Other | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 32 | 12 | 65 | 76
Other | Goods transferred at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 33 | 13 | 92 | 85
Other | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | $ 0 | $ 0 | $ 0 | $ 0

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