CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues:
Oil and natural gas	$ 616,000	$ 940,000	$ 2,428,000	$ 3,490,000
Contract drilling	1,193,000	360,000	3,051,000	3,346,000
Sale of interest in leasehold land	1,310,000	0	1,310,000	1,678,000
Gas processing and other	49,000	40,000	210,000	145,000
Total revenues	3,168,000	1,340,000	6,999,000	8,659,000
Costs and expenses:
Oil and natural gas operating	544,000	620,000	1,777,000	2,266,000
Contract drilling operating	1,074,000	593,000	2,778,000	2,607,000
General and administrative	1,591,000	1,345,000	4,635,000	5,126,000
Depletion, depreciation, and amortization	187,000	234,000	694,000	942,000
Impairment of assets	165,000	0	202,000	0
Gain on sales of assets	0	(527,000)	(2,250,000)	(527,000)
Total costs and expenses	3,561,000	2,265,000	7,836,000	10,414,000
Loss before equity in income (loss) of affiliates and income taxes	(393,000)	(925,000)	(837,000)	(1,755,000)
Equity in income (loss) of affiliates	136,000	(31,000)	(97,000)	2,125,000
(Loss) earnings before income taxes	(257,000)	(956,000)	(934,000)	370,000
Income tax benefit	(163,000)	(442,000)	(469,000)	(676,000)
Net (loss) earnings	(94,000)	(514,000)	(465,000)	1,046,000
Less: Net earnings (loss) attributable to non-controlling interests	280,000	(2,000)	247,000	532,000
Net (loss) earnings attributable to Barnwell Industries, Inc.	$ (374,000)	$ (512,000)	$ (712,000)	$ 514,000
Basic and diluted net earnings (loss) per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)	$ (0.05)	$ (0.06)	$ (0.09)	$ 0.06
Weighted-average number of common shares outstanding:
Basic and diluted (in shares)	8,277	8,277	8,277	8,277