REVENUE FROM CONTRACTS WITH CUSTOMERS - DISAGGREGATION OF REVENUE (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue before interest income	$ 7,482	$ 5,453
Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	3,484	2,668
Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,302	849
Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	440	403
Drilling and pump
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,948	876
Contingent residual payments
Disaggregation of Revenue [Line Items]
Revenue before interest income	265	600
Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	43	57
United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	2,732	2,444
Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	4,750	3,009
Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,534	4,577
Services transferred over time
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,948	876
Oil and natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,226	3,920
Oil and natural gas | Oil
Disaggregation of Revenue [Line Items]
Revenue before interest income	3,484	2,668
Oil and natural gas | Natural gas
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,302	849
Oil and natural gas | Natural gas liquids
Disaggregation of Revenue [Line Items]
Revenue before interest income	440	403
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
Oil and natural gas | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	517	964
Oil and natural gas | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	4,709	2,956
Oil and natural gas | Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue before interest income	5,226	3,920
Oil and natural gas | Services transferred over time
Disaggregation of Revenue [Line Items]
Revenue before interest income	0	0
Contract drilling
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,948	876
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	1,948	876
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
Contract drilling | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,948	876
Contract drilling | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	0	0
Contract drilling | Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue before interest income	0	0
Contract drilling | Services transferred over time
Disaggregation of Revenue [Line Items]
Revenue before interest income	1,948	876
Land investment
Disaggregation of Revenue [Line Items]
Revenue before interest income	265	600
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	600
Land investment | Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	0	0
Land investment | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	265	600
Land investment | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	0	0
Land investment | Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue before interest income	265	600
Land investment | Services transferred over time
Disaggregation of Revenue [Line Items]
Revenue before interest income	0	0
Other
Disaggregation of Revenue [Line Items]
Revenue before interest income	43	57
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	43	57
Other | United States
Disaggregation of Revenue [Line Items]
Revenue before interest income	2	4
Other | Canada
Disaggregation of Revenue [Line Items]
Revenue before interest income	41	53
Other | Goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue before interest income	43	57
Other | Services transferred over time
Disaggregation of Revenue [Line Items]
Revenue before interest income	$ 0	$ 0