PROPERTY AND EQUIPMENT AND ASSET RETIREMENT OBLIGATION - NARRATIVE (Details) - USD ($) $ in Thousands	12 Months Ended	51 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025
Property and equipment
Asset retirement obligation	$ 209	$ 442
Revision of estimated obligation	(694)	(614)
Obligations incurred on new wells drilled or acquired	0	37
Abandonment and reclamation cost, cash deposit			$ 975
Unused deposit, current	173	$ 527	173
Unused deposit, non-current	222		222
Receivables, non-current	$ 61		$ 61
Minimum
Property and equipment
Discount rate for ARO	6.00%
Maximum
Property and equipment
Discount rate for ARO	13.50%

Asset Retirement Oblgation, Discount Rate

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Amount of asset retirement obligations divested during the period.

+ References

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- Definition

Oil and Gas Abandonment And Reclamation Cost, Cash Deposit

+ References

No definition available.

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- Definition

Amount excluding accrued interest, after allowance for credit loss, of accounts receivable classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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- Definition

Amount of asset retirement obligations incurred during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

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Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(4)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

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Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(8))
-Publisher FASB
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Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
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