CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities of continuing operations:
Net loss	$ (1,116)	$ (1,207)	$ (2,528)	$ (3,126)
Net earnings from discontinued operations	0	331	0	12
Net loss from continuing operations	(1,116)	(1,538)	(2,528)	(3,138)
Adjustments to reconcile net loss from continuing operations to net cash (used in) provided by operating activities:
Depletion, depreciation, and amortization	561	754	1,153	1,658
Impairment of assets	0	52	0	665
Equity in income of affiliates	(338)	0	(338)	0
Retirement benefits income			(204)	(158)
Non-cash rent income			(7)	1
Accretion of asset retirement obligation			371	391
Deferred income tax (benefit) expense	0	(25)	0	(34)
Asset retirement obligation payments			(617)	(275)
Share-based compensation expense			222	129
Common stock issued for services			101	0
Retirement plan contributions and payments			(160)	(1)
Credit loss (reversal) expense			(4)	(10)
Foreign currency loss (gain)	58	(10)	11	341
(Decrease) increase from changes in current assets and liabilities			(422)	(423)
Net cash (used in) provided by operating activities from continuing operations			(2,422)	(854)
Cash flows from investing activities of continuing operations:
Distribution from equity investees in excess of earnings			323	0
Proceeds from the sale of oil and natural gas assets			0	282
Capital expenditures - oil and natural gas			(250)	(2,641)
Dividend received from discontinued operations			0	250
Cash divested from the sale of discontinued operations, net of proceeds			0	(163)
Payments received on note receivable related to the sale of discontinued operations			150	0
Net cash provided by (used in) investing activities from continuing operations			223	(2,272)
Cash flows from financing activities of continuing operations:
Repayments for insurance premium financing			0	(15)
Proceeds from issuance of stock, net of costs			3,365	0
Contributions from non-controlling interests			(35)	0
Net cash provided by financing activities from continuing operations			3,330	(15)
Cash flows from discontinued operations:
Net cash used in operating activities			0	(95)
Net cash provided by investing activities			0	538
Net cash used in financing activities			0	(250)
Net cash provided by discontinued operations			0	193
Effect of exchange rate changes on cash and cash equivalents			(1)	(125)
Net (decrease) increase in cash and cash equivalents			1,130	(3,073)
Cash and cash equivalents of continuing operations at end of period	$ 4,016	$ 1,432	$ 4,016	$ 1,432