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