CONSOLIDATED VARIABLE INTEREST ENTITY - CARRYING VALUE OF ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
ASSETS
Cash and cash equivalents	$ 2,830	$ 12,804
Accounts and other receivables	3,246	4,361
Total assets	35,421	37,215
Liabilities [Abstract]
Accounts payable	881	1,462
Accrued operating and other expenses	1,747	1,576
Total liabilities	16,664	18,054
Variable Interest Entity, Primary Beneficiary
ASSETS
Cash and cash equivalents	83	623
Accounts and other receivables	175	606
Proved oil and natural gas properties, net (full cost method)	544	655
Total assets	802	1,884
Liabilities [Abstract]
Accounts payable	10	15
Accrued operating and other expenses	15	26
Total liabilities	$ 25	$ 41