REVENUE FROM CONTRACTS WITH CUSTOMERS REVENUE FROM CONTACTS WITH CUSTOMERS - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue before interest income	$ 18,329	$ 12,013
United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	11,325	5,515
Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	7,004	6,498
Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,214	5,146
Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,119	795
Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	360	465
Drilling and pump
Disaggregation of Revenue [Line Items]
Revenue before interest income	10,994	5,349
Contingent residual payments
Disaggregation of Revenue [Line Items]
Revenue before interest income	325	165
Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	317	93
Oil and natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	6,693	6,406
Oil and natural gas | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	0	0
Oil and natural gas | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	6,693	6,406
Oil and natural gas | Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,214	5,146
Oil and natural gas | Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,119	795
Oil and natural gas | Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	360	465
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	10,994	5,349
Contract drilling | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	10,994	5,349
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	10,994	5,349
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	325	165
Land investment | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	325	165
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	325	165
Land investment | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	0	0
Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	317	93
Other | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	6	1
Other | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	311	92
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	317	93
Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue before interest income	7,335	6,664
Goods transferred at a point in time | Oil and natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	6,693	6,406
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	325	165
Goods transferred at a point in time | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	317	93
Services transferred over time
Disaggregation of Revenue [Line Items]
Revenue before interest income	10,994	5,349
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	10,994	5,349
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