REVENUE FROM CONTRACTS WITH CUSTOMERS - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue before interest income	$ 25,182	$ 28,527
United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	8,448	9,340
Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	16,734	19,187
Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	14,259	15,747
Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	3,441	4,527
Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,676	2,307
Drilling and pump
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,427	4,540
Contingent residual payments
Disaggregation of Revenue [Line Items]
Revenue before interest income	265	1,295
Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	114	111
Oil and natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	19,376	22,581
Oil and natural gas | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	2,746	3,496
Oil and natural gas | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	16,630	19,085
Oil and natural gas | Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	14,259	15,747
Oil and natural gas | Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	3,441	4,527
Oil and natural gas | Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,676	2,307
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	5,427	4,540
Contract drilling | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,427	4,540
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	5,427	4,540
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	265	1,295
Land investment | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	265	1,295
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	265	1,295
Land investment | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	0	0
Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	114	111
Other | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	10	9
Other | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	104	102
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	114	111
Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue before interest income	19,755	23,987
Goods transferred at a point in time | Oil and natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	19,376	22,581
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	265	1,295
Goods transferred at a point in time | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	114	111
Services transferred over time
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,427	4,540
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	5,427	4,540
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