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Collaborative Agreement, Purchase Price

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Future Capital Expenditure, Development Of Proved Undeveloped Reserves, Over Next Five Years

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Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have proved reserves.

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Amount of gain (loss) on sale or disposal of oil and gas property or timber property.

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The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.

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OIL AND NATURAL GAS PROPERTIES (Details) - USD ($) $ in Thousands	12 Months Ended		15 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Jul. 01, 2018
Oil and natural gas properties
Proceeds from sale of oil and natural gas assets	$ 1,519	$ 848
Income taxes receivable	386	2,461	$ 386
Gain on sale of oil and natural gas properties	0	2,255
ARO assumed	203	3,085
Acquisition costs	668	13,422
Impairment of assets	5,710	202
Future capital expenditure, development of proved undeveloped reserves, over next five years	13,000		13,000
Red Earth
Oil and natural gas properties
Gain on sale of oil and natural gas properties		2,140
Stolberg
Oil and natural gas properties
Gain on sale of oil and natural gas properties		115
Miscellaneous Oil And Natural Gas Properties
Oil and natural gas properties
Proceeds from sale of oil and natural gas assets		221
Income taxes receivable		106
Gain on sale of oil and natural gas properties		0
Twining
Oil and natural gas properties
ARO assumed		3,076
Wood River and Twining
Oil and natural gas properties
Acquisition costs	355
Purchase and Sale Agreement \| Barnwell Industries Inc \| Twining
Oil and natural gas properties
Collaborative agreement, purchase price	10,190		10,190	$ 10,362
Collaborative agreement, purchase price adjustment			$ (172)
Oil and natural gas
Oil and natural gas properties
Impairment of assets	$ 5,710	$ 0