CONSOLIDATED VARIABLE INTEREST ENTITY - CARRYING VALUE OF ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
ASSETS
Cash and cash equivalents	$ 12,142	$ 11,279
Accounts and other receivables	3,186	3,069
Total assets	27,675	24,435
Liabilities [Abstract]
Accounts payable	1,207	1,416
Accrued capital expenditures	2,754	909
Accrued operating and other expenses	1,141	1,171
Total liabilities	16,848	14,928
Variable Interest Entity, Primary Beneficiary
ASSETS
Cash and cash equivalents	444	136
Accounts and other receivables	945	118
Proved properties, net	1,019	203
Unproved properties	0	962
Total assets	2,408	1,419
Liabilities [Abstract]
Accounts payable	10	3
Accrued capital expenditures	284	581
Accrued operating and other expenses	71	20
Total liabilities	$ 365	$ 604