CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities of continuing operations:
Net loss	$ (1,553)	$ (1,234)	$ (4,679)	$ (3,446)
Net earnings (loss) from discontinued operations	0	(228)	12	(1,008)
Net loss from continuing operations	(1,553)	(1,006)	(4,691)	(2,438)
Adjustments to reconcile net loss from continuing operations to net cash (used in) provided by operating activities:
Depletion, depreciation, and amortization	844	1,294	2,502	4,095
Impairment of assets	200	599	865	2,276
Sale of interest in leasehold land, net of fees paid			0	(439)
Distributions of income from equity investees			0	1,071
Equity in income of affiliates	0	0	0	(1,071)
Retirement benefits income			(236)	(259)
Non-cash rent income			(1)	(20)
Accretion of asset retirement obligation			597	667
Deferred income tax (benefit) expense	(17)	(4)	(51)	47
Asset retirement obligation payments			(356)	(556)
Share-based compensation expense			147	153
Retirement plan contributions and payments			(3)	(3)
Credit loss (reversal) expense			(8)	53
Foreign currency (gain) loss	(219)	61	122	63
(Decrease) increase from changes in current assets and liabilities			(50)	710
Net cash (used in) provided by operating activities from continuing operations			(1,163)	4,349
Cash flows from investing activities of continuing operations:
Acquisition of non-controlling interest			0	(185)
Proceeds from sale of interest in leasehold land, net of fees paid			0	439
Proceeds from the sale of oil and natural gas assets			282	451
Capital expenditures - oil and natural gas			(2,954)	(2,434)
Dividend received from discontinued operations			250	0
Cash divested from the sale of discontinued operations, net of proceeds			(163)	0
Payments received on note receivable related to the sale of discontinued operations			350	0
Net cash used in investing activities from continuing operations			(2,235)	(1,729)
Cash flows from financing activities of continuing operations:
Repayments for insurance premium financing			(60)	0
Distributions to non-controlling interests			0	(226)
Net cash used in financing activities from continuing operations			(60)	(226)
Cash flows from discontinued operations:
Net cash used in operating activities			(95)	(811)
Net cash provided by (used in) investing activities			538	(2)
Net cash used in financing activities			(250)	0
Net cash provided by (used in) discontinued operations			193	(813)
Effect of exchange rate changes on cash and cash equivalents			(86)	(18)
Net (decrease) increase in cash and cash equivalents			(3,351)	1,563
Cash and cash equivalents at beginning of period					$ 4,505	$ 2,830
Less: Cash and cash equivalents of discontinued operations at end of period	0	(44)	0	(44)
Cash and cash equivalents of continuing operations at end of period	$ 1,154	$ 4,349	$ 1,154	$ 4,349