SEGMENT INFORMATION (Details) - USD ($)	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Revenues:
Revenue before interest income	$ 4,451,000	$ 6,140,000
Interest income	26,000	15,000
Total revenues	4,477,000	6,155,000
Depletion, depreciation, and amortization:
Depletion, depreciation, and amortization	928,000	1,511,000
Asset Impairment Charges
Impairment of assets	613,000	0
Operating (loss) profit (before general and administrative expenses):
Operating (loss) profit (before general and administrative expenses):	(306,000)	669,000
General and administrative expenses	(1,281,000)	(1,404,000)
Foreign currency (loss) gain	(351,000)	126,000
Interest expense	0	(2,000)
Interest income	26,000	15,000
Loss before income taxes	(1,912,000)	(596,000)
Intersegment eliminations | External Customer
Revenues:
Total revenues	0
Oil and natural gas
Revenues:
Revenue before interest income	3,897,000	5,130,000
Total revenues	3,897,000	5,130,000
Depletion, depreciation, and amortization:
Depletion, depreciation, and amortization	904,000	1,458,000
Asset Impairment Charges
Impairment of assets	613,000	0
Operating (loss) profit (before general and administrative expenses):
Operating (loss) profit (before general and administrative expenses):	(116,000)	881,000
Contract drilling
Revenues:
Revenue before interest income	543,000	993,000
Total revenues	543,000	993,000
Depletion, depreciation, and amortization:
Depletion, depreciation, and amortization	24,000	52,000
Operating (loss) profit (before general and administrative expenses):
Operating (loss) profit (before general and administrative expenses):	(201,000)	(228,000)
Land investment
Revenues:
Revenue before interest income	0	0
Other
Revenues:
Revenue before interest income	11,000	17,000
Total revenues	37,000	32,000
Depletion, depreciation, and amortization:
Depletion, depreciation, and amortization	0	1,000
Operating (loss) profit (before general and administrative expenses):
Operating (loss) profit (before general and administrative expenses):	$ 11,000	$ 16,000