CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Revenues:
Revenues	$ 5,774	$ 5,239	$ 11,929	$ 12,750
Costs and expenses:
General and administrative	1,381	2,050	2,785	4,299
Depletion, depreciation, and amortization	1,392	761	2,903	1,601
Impairment of assets	1,677	0	1,677	0
Foreign currency loss (gain)	128	(2)	2	(80)
Interest expense	0	0	2	0
Gain on sale of assets	0	0	0	(551)
Total costs and expenses	8,295	6,477	15,046	13,238
Loss before equity in income of affiliates and income taxes	(2,521)	(1,238)	(3,117)	(488)
Equity in income of affiliates	1,071	0	1,071	538
(Loss) earnings before income taxes	(1,450)	(1,238)	(2,046)	50
Income tax provision (benefit)	100	(3)	166	76
Net loss	(1,550)	(1,235)	(2,212)	(26)
Less: Net earnings attributable to non-controlling interests	222	2	224	122
Net loss attributable to Barnwell Industries, Inc.	$ (1,772)	$ (1,237)	$ (2,436)	$ (148)
Basic net loss per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)	$ (0.18)	$ (0.12)	$ (0.24)	$ (0.01)
Diluted net loss per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)	$ (0.18)	$ (0.12)	$ (0.24)	$ (0.01)
Weighted-average number of common shares outstanding:
Basic (in shares)	10,019,172	9,956,687	10,007,905	9,956,687
Diluted (in shares)	10,019,172	9,956,687	10,007,905	9,956,687
Oil and natural gas
Revenues:
Revenues	$ 4,144	$ 3,686	$ 9,274	$ 8,912
Costs and expenses:
Costs and expenses	2,330	2,267	5,121	4,711
Depletion, depreciation, and amortization	1,342	718	2,800	1,514
Impairment of assets	1,677	0	1,677	0
Contract drilling
Revenues:
Revenues	1,070	1,501	2,063	3,449
Costs and expenses:
Costs and expenses	1,387	1,401	2,556	3,258
Depletion, depreciation, and amortization	50	43	102	86
Sale of interest in leasehold land
Revenues:
Revenues	500	0	500	265
Gas processing and other
Revenues:
Revenues	60	52	92	124
Costs and expenses:
Depletion, depreciation, and amortization	$ 0	$ 0	$ 1	$ 1