CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Oil and natural gas	$ 859	$ 1,409	$ 1,812	$ 2,550
Contract drilling	1,016	1,580	1,858	2,986
Sale of interest in leasehold land	0	0	0	1,678
Gas processing and other	100	40	161	105
Total revenues	1,975	3,029	3,831	7,319
Costs and expenses:
Oil and natural gas operating	575	800	1,233	1,646
Contract drilling operating	883	850	1,704	2,014
General and administrative	1,563	1,754	3,044	3,781
Depletion, depreciation, and amortization	227	384	507	708
Impairment of assets	37	0	37	0
Gain on sales of assets	(2,250)	0	(2,250)	0
Total costs and expenses	1,035	3,788	4,275	8,149
Earnings (loss) before equity in (loss) income of affiliates and income taxes	940	(759)	(444)	(830)
Equity in (loss) income of affiliates	(80)	(170)	(233)	2,156
Earnings (loss) before income taxes	860	(929)	(677)	1,326
Income tax provision (benefit)	197	(287)	(306)	(234)
Net earnings (loss)	663	(642)	(371)	1,560
Less: Net (loss) earnings attributable to non-controlling interests	(16)	(27)	(33)	534
Net earnings (loss) attributable to Barnwell Industries, Inc.	$ 679	$ (615)	$ (338)	$ 1,026
Basic and diluted net (loss) earnings per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)	$ 0.08	$ (0.07)	$ (0.04)	$ 0.12
Weighted-average number of common shares outstanding:
Basic and diluted (in shares)	8,277	8,277	8,277	8,277