CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenues:
Revenues	$ 7,511	$ 5,454
Costs and expenses:
General and administrative	2,249	1,830
Depletion, depreciation, and amortization	840	483
Foreign currency gain	(78)	0
Gain on sale of assets	(551)	0
Total costs and expenses	6,761	5,209
Earnings before equity in income of affiliates and income taxes	750	245
Equity in income of affiliates	538	1,207
Earnings before income taxes	1,288	1,452
Income tax provision	79	112
Net earnings	1,209	1,340
Less: Net earnings attributable to non-controlling interests	120	267
Net earnings attributable to Barnwell Industries, Inc.	$ 1,089	$ 1,073
Basic net earnings per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)	$ 0.11	$ 0.11
Diluted net earnings per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)	$ 0.11	$ 0.11
Weighted-average number of common shares outstanding:
Basic (in shares)	9,956,687	9,446,291
Diluted (in shares)	9,956,687	9,446,291
Oil and natural gas
Revenues:
Revenues	$ 5,226	$ 3,920
Costs and expenses:
Costs and expenses	2,444	1,916
Depletion, depreciation, and amortization	796	436
Contract drilling
Revenues:
Revenues	1,948	876
Costs and expenses:
Costs and expenses	1,857	980
Depletion, depreciation, and amortization	43	47
Land investment
Revenues:
Revenues	265	600
Gas processing and other
Revenues:
Revenues	72	58
Costs and expenses:
Depletion, depreciation, and amortization	$ 1	$ 0