CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Revenues:
Revenues	$ 6,679	$ 3,998	$ 12,133	$ 8,385
Costs and expenses:
General and administrative	2,241	1,928	4,071	3,113
Depletion, depreciation, and amortization	618	227	1,101	503
Impairment of assets	0	0	0	630
Interest expense	0	3	0	4
Total costs and expenses	5,903	5,382	11,112	10,017
Earnings (loss) before equity in income of affiliates and income taxes	776	(1,384)	1,021	(1,632)
Equity in income of affiliates	1,760	624	2,967	1,678
Earnings (loss) before income taxes	2,536	(760)	3,988	46
Income tax provision	138	34	250	97
Net earnings (loss)	2,398	(794)	3,738	(51)
Less: Net earnings attributable to non-controlling interests	346	62	613	221
Net earnings (loss) attributable to Barnwell Industries, Inc.	$ 2,052	$ (856)	$ 3,125	$ (272)
Basic and diluted net earnings (loss) per common share attributable to Barnwell Industries, Inc. stockholders	$ 0.21	$ (0.10)	$ 0.33	$ (0.03)
Weighted-average number of common shares outstanding:
Basic and diluted (in shares)	9,570,989	8,277,160	9,507,955	8,277,160
Oil and natural gas
Revenues:
Revenues	$ 5,133	$ 2,552	$ 9,053	$ 4,439
Costs and expenses:
Costs and expenses	2,126	1,759	4,042	3,194
Depletion, depreciation, and amortization	577	146	1,013	341
Impairment of assets	0	0	0	630
Contract drilling
Revenues:
Revenues	818	1,389	1,694	3,331
Costs and expenses:
Costs and expenses	918	1,465	1,898	2,573
Depletion, depreciation, and amortization	41	77	88	153
Land investment
Revenues:
Revenues	695	0	1,295	485
Gas processing and other
Revenues:
Revenues	33	57	91	130
Costs and expenses:
Depletion, depreciation, and amortization	$ 0	$ 4	$ 0	$ 9