CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Sep. 30, 2024
Current assets:
Cash and cash equivalents	$ 1,154	$ 4,285
Accounts and other receivables, net of allowance for credit losses of: $50,000 at June 30, 2025; $141,000 at September 30, 2024	1,884	2,190
Note receivable	450	0
Other current assets	630	873
Current assets of discontinued operations	0	1,535
Total current assets	4,118	8,883
Asset for retirement benefits	5,207	4,899
Operating lease right-of-use assets	172	39
Other non-current assets	281	0
Property and equipment:
Proved oil and natural gas properties (full cost method)	83,849	83,557
Other property and equipment	506	509
Total property and equipment	84,355	84,066
Accumulated depletion, impairment, depreciation, and amortization	(70,376)	(67,500)
Total property and equipment, net	13,979	16,566
Non-current assets of discontinued operations	0	282
Total assets	23,757	30,669
Current liabilities:
Accounts payable	1,902	1,785
Accrued capital expenditures	137	2,407
Accrued compensation	296	526
Accrued operating and other expenses	1,310	1,465
Current portion of asset retirement obligation	1,319	798
Other current liabilities	475	301
Current liabilities of discontinued operations	0	530
Total current liabilities	5,439	7,812
Operating lease liabilities	107	7
Liability for retirement benefits	1,966	1,898
Asset retirement obligation	7,613	7,790
Deferred income tax liabilities	49	100
Total liabilities	15,174	17,607
Commitments and contingencies
Equity:
Common stock, par value $0.50 per share; authorized, 40,000,000 shares: 10,221,434 issued at June 30, 2025; 10,195,990 issued at September 30, 2024	5,111	5,098
Additional paid-in capital	7,824	7,690
(Accumulated deficit) retained earnings	(4,079)	595
Accumulated other comprehensive income, net	1,996	1,943
Treasury stock, at cost: 167,900 shares at June 30, 2025 and September 30, 2024	(2,286)	(2,286)
Total stockholders’ equity	8,566	13,040
Non-controlling interests	17	22
Total equity	8,583	13,062
Total liabilities and equity	$ 23,757	$ 30,669