REVENUE FROM CONTRACTS WITH CUSTOMERS - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue before interest income	$ 21,636	$ 25,182
United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	6,452	8,448
Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	15,184	16,734
Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	13,509	14,259
Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	2,007	3,441
Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,880	1,676
Drilling and pump
Disaggregation of Revenue [Line Items]
Revenue before interest income	3,612	5,427
Contingent residual payments
Disaggregation of Revenue [Line Items]
Revenue before interest income	500	265
Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	128	114
Oil and natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	17,396	19,376
Oil and natural gas | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	2,303	2,746
Oil and natural gas | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	15,093	16,630
Oil and natural gas | Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	13,509	14,259
Oil and natural gas | Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	2,007	3,441
Oil and natural gas | Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,880	1,676
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	3,612	5,427
Contract drilling | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	3,612	5,427
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	3,612	5,427
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	500	265
Land investment | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	500	265
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	500	265
Land investment | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	0	0
Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	128	114
Other | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	37	10
Other | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	91	104
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	128	114
Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue before interest income	18,024	19,755
Goods transferred at a point in time | Oil and natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	17,396	19,376
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	500	265
Goods transferred at a point in time | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	128	114
Services transferred over time
Disaggregation of Revenue [Line Items]
Revenue before interest income	3,612	5,427
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	3,612	5,427
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