SEGMENT INFORMATION (Details) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenues:
Revenue before interest income	$ 7,482,000	$ 5,453,000
Interest income	29,000	1,000
Total revenues	7,511,000	5,454,000
Depletion, depreciation, and amortization:
Depletion, depreciation, and amortization	840,000	483,000
Operating profit (loss) (before general and administrative expenses):
Operating profit (loss) (before general and administrative expenses):	2,892,000	2,074,000
Equity in income (loss) of affiliates:
Equity in income of affiliates	538,000	1,207,000
General and administrative expenses	(2,249,000)	(1,830,000)
Foreign currency gain	78,000	0
Interest income	29,000	1,000
Earnings before income taxes	1,288,000	1,452,000
Intersegment eliminations
Revenues:
Total revenues	0
Oil and natural gas
Revenues:
Revenue before interest income	5,226,000	3,920,000
Total revenues	5,226,000	3,920,000
Depletion, depreciation, and amortization:
Depletion, depreciation, and amortization	796,000	436,000
Operating profit (loss) (before general and administrative expenses):
Operating profit (loss) (before general and administrative expenses):	1,986,000	1,568,000
Contract drilling
Revenues:
Revenue before interest income	1,948,000	876,000
Total revenues	1,948,000	876,000
Depletion, depreciation, and amortization:
Depletion, depreciation, and amortization	43,000	47,000
Operating profit (loss) (before general and administrative expenses):
Operating profit (loss) (before general and administrative expenses):	48,000	(151,000)
Land investment
Revenues:
Revenue before interest income	265,000	600,000
Total revenues	265,000	600,000
Operating profit (loss) (before general and administrative expenses):
Operating profit (loss) (before general and administrative expenses):	265,000	600,000
Other
Revenues:
Revenue before interest income	43,000	57,000
Total revenues	72,000	58,000
Depletion, depreciation, and amortization:
Depletion, depreciation, and amortization	1,000	0
Operating profit (loss) (before general and administrative expenses):
Operating profit (loss) (before general and administrative expenses):	42,000	57,000
Gain (Loss) on Sale of Assets
Operating profit (loss) (before general and administrative expenses):
Operating profit (loss) (before general and administrative expenses):	$ 551,000	$ 0