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REVENUE FROM CONTRACTS WITH CUSTOMERS - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | $ 5,756 | $ 5,216 | $ 11,896 | $ 12,698
Oil |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 2,985 | 2,789 | 6,877 | 6,273
Natural gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 678 | 616 | 1,390 | 1,918
Natural gas liquids |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 481 | 281 | 1,007 | 721
Drilling and pump |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 1,070 | 1,501 | 2,063 | 3,449
Contingent residual payments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 500 |  | 500 | 265
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 42 | 29 | 59 | 72
United states |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 2,269 | 1,816 | 4,017 | 4,548
Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 3,487 | 3,400 | 7,879 | 8,150
Goods transferred at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 4,686 | 3,715 | 9,833 | 9,249
Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 1,070 | 1,501 | 2,063 | 3,449
Oil and natural gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 4,144 | 3,686 | 9,274 | 8,912
Oil and natural gas | Oil |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 2,985 | 2,789 | 6,877 | 6,273
Oil and natural gas | Natural gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 678 | 616 | 1,390 | 1,918
Oil and natural gas | Natural gas liquids |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 481 | 281 | 1,007 | 721
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 | 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 | 674 | 309 | 1,428 | 826
Oil and natural gas | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 3,470 | 3,377 | 7,846 | 8,086
Oil and natural gas | Goods transferred at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 4,144 | 3,686 | 9,274 | 8,912
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 | 1,070 | 1,501 | 2,063 | 3,449
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 | 1,070 | 1,501 | 2,063 | 3,449
Contract drilling | Contingent residual payments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 0 |  | 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 | 1,070 | 1,501 | 2,063 | 3,449
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 | 1,070 | 1,501 | 2,063 | 3,449
Land investment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 500 | 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 |  | 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 | 500 | 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 | 500 | 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 | 42 | 29 | 59 | 72
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 | 0
Other | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 42 | 29 | 59 | 72
Other | United states |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 25 | 6 | 26 | 8
Other | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 17 | 23 | 33 | 64
Other | Goods transferred at a point in time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | 42 | 29 | 59 | 72
Other | Services transferred over time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue before interest income | $ 0 | $ 0 | $ 0 | $ 0

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