CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2025	Sep. 30, 2025
Current assets:
Cash and cash equivalents	$ 3,622	$ 2,886
Accounts and other receivables, net of allowance for credit losses of: $50,000 at December 31, 2025; $49,000 at September 30, 2025	1,411	1,621
Note receivable	200	300
Other current assets	594	423
Total current assets	5,827	5,230
Asset for retirement benefits	6,056	5,928
Operating lease right-of-use assets	120	145
Other non-current assets	380	347
Property and equipment:
Proved oil and natural gas properties (full cost method)	75,952	74,511
Other property and equipment	504	500
Total property and equipment	76,456	75,011
Accumulated depletion, impairment, depreciation, and amortization	(67,372)	(65,849)
Total property and equipment, net	9,084	9,162
Total assets	21,467	20,812
Current liabilities:
Accounts payable	1,935	2,182
Accrued capital expenditures	270	185
Accrued compensation	262	264
Accrued operating and other expenses	628	1,022
Current portion of asset retirement obligation	615	613
Other current liabilities	291	460
Total current liabilities	4,001	4,726
Operating lease liabilities	82	93
Liability for retirement benefits	1,776	1,791
Asset retirement obligation	7,404	7,162
Deferred income tax liabilities	18	18
Total liabilities	13,281	13,790
Commitments and contingencies (Note 16)
Equity:
Common stock, par value $0.50 per share; authorized, 40,000,000 shares: 12,705,964 issued at December 31, 2025; 10,241,434 issued at September 30, 2025	6,353	5,121
Additional paid-in capital	9,410	8,039
(Accumulated deficit) retained earnings	(7,934)	(6,508)
Accumulated other comprehensive income, net	2,615	2,642
Treasury stock, at cost: 167,900 shares at December 31, 2025 and September 30, 2025	(2,286)	(2,286)
Total stockholders’ equity	8,158	7,008
Non-controlling interests	28	14
Total equity	8,186	7,022
Total liabilities and equity	$ 21,467	$ 20,812