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REVENUE FROM CONTRACTS WITH CUSTOMERS REVENUE FROM CONTACTS WITH CUSTOMERS - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | $ 18,105 | $ 18,329
United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 7,700 | 11,325
Canada |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 10,405 | 7,004
Oil |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 7,617 | 5,214
Natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 1,871 | 1,119
Natural gas liquids |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 766 | 360
Drilling and pump |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 5,809 | 10,994
Contingent residual payments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 1,738 | 325
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 304 | 317
Oil and natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 10,254 | 6,693
Oil and natural gas | United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 118 | 0
Oil and natural gas | Canada |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 10,136 | 6,693
Oil and natural gas | Oil |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 7,617 | 5,214
Oil and natural gas | Natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 1,871 | 1,119
Oil and natural gas | Natural gas liquids |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 766 | 360
Oil and natural gas | Drilling and pump |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 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
Contract drilling |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 5,809 | 10,994
Contract drilling | United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 5,809 | 10,994
Contract drilling | Canada |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Contract drilling | Oil |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Contract drilling | Natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Contract drilling | Natural gas liquids |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Contract drilling | Drilling and pump |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 5,809 | 10,994
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
Land investment |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 1,738 | 325
Land investment | United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 1,738 | 325
Land investment | Canada |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Oil |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Natural gas liquids |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Drilling and pump |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Land investment | Contingent residual payments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 1,738 | 325
Land investment | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 304 | 317
Other | United States |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 35 | 6
Other | Canada |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 269 | 311
Other | Oil |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Other | Natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Other | Natural gas liquids |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Other | Drilling and pump |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 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 | 304 | 317
Goods transferred at a point in time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 12,296 | 7,335
Goods transferred at a point in time | Oil and natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 10,254 | 6,693
Goods transferred at a point in time | Contract drilling |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Goods transferred at a point in time | Land investment |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 1,738 | 325
Goods transferred at a point in time | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 304 | 317
Services transferred over time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 5,809 | 10,994
Services transferred over time | Oil and natural gas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Services transferred over time | Contract drilling |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 5,809 | 10,994
Services transferred over time | Land investment |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | 0 | 0
Services transferred over time | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue before interest income | $ 0 | $ 0

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