CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Revenues:
Revenues	$ 4,477	$ 6,155
Costs and expenses:
General and administrative	1,281	1,404
Depletion, depreciation, and amortization	928	1,511
Impairment of assets	613	0
Foreign currency loss (gain)	351	(126)
Interest expense	0	2
Total costs and expenses	6,389	6,751
Loss before equity in income of affiliates and income taxes	(1,912)	(596)
Equity in income of affiliates	0	0
Loss before income taxes	(1,912)	(596)
Income tax provision	7	66
Net loss	(1,919)	(662)
Less: Net (loss) earnings attributable to non-controlling interests	(2)	2
Net loss attributable to Barnwell Industries, Inc.	$ (1,917)	$ (664)
Basic net loss per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)	$ (0.19)	$ (0.07)
Diluted net loss per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)	$ (0.19)	$ (0.07)
Weighted-average number of common shares outstanding:
Basic (in shares)	10,047,173	9,996,760
Diluted (in shares)	10,047,173	9,996,760
Oil and natural gas
Revenues:
Revenues	$ 3,897	$ 5,130
Costs and expenses:
Costs and expenses	2,496	2,791
Depletion, depreciation, and amortization	904	1,458
Impairment of assets	613	0
Contract drilling
Revenues:
Revenues	543	993
Costs and expenses:
Costs and expenses	720	1,169
Depletion, depreciation, and amortization	24	52
Gas processing and other
Revenues:
Revenues	37	32
Costs and expenses:
Depletion, depreciation, and amortization	$ 0	$ 1