REVENUE FROM CONTRACTS WITH CUSTOMERS REVENUE FROM CONTACTS WITH CUSTOMERS - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Revenue before interest income	$ 12,013	$ 9,206
United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,515
Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	6,498
Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,146
Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	795
Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	465
Drilling and pump
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,349
Contingent residual payments
Disaggregation of Revenue [Line Items]
Revenue before interest income	165
Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	93
Oil and natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	6,406	3,706
Oil and natural gas | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Oil and natural gas | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	6,406
Oil and natural gas | Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,146
Oil and natural gas | Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	795
Oil and natural gas | Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	465
Oil and natural gas | Drilling and pump
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Oil and natural gas | Contingent residual payments
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Oil and natural gas | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Contract drilling
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,349	3,769
Contract drilling | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,349
Contract drilling | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Contract drilling | Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Contract drilling | Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Contract drilling | Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Contract drilling | Drilling and pump
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,349
Contract drilling | Contingent residual payments
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Contract drilling | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Land investment
Disaggregation of Revenue [Line Items]
Revenue before interest income	165	1,645
Land investment | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	165
Land investment | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Land investment | Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Land investment | Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Land investment | Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Land investment | Drilling and pump
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Land investment | Contingent residual payments
Disaggregation of Revenue [Line Items]
Revenue before interest income	165
Land investment | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	93	$ 86
Other | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	1
Other | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	92
Other | Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Other | Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Other | Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Other | Drilling and pump
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Other | Contingent residual payments
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Other | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	93
Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue before interest income	6,664
Goods transferred at a point in time | Oil and natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	6,406
Goods transferred at a point in time | Contract drilling
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Goods transferred at a point in time | Land investment
Disaggregation of Revenue [Line Items]
Revenue before interest income	165
Goods transferred at a point in time | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	93
Services transferred over time
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,349
Services transferred over time | Oil and natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Services transferred over time | Contract drilling
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,349
Services transferred over time | Land investment
Disaggregation of Revenue [Line Items]
Revenue before interest income	0
Services transferred over time | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	$ 0