CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net loss	$ (1,234)	$ (715)	$ (3,446)	$ (741)
Adjustments to reconcile net loss to net cash provided by operating activities:
Equity in income of affiliates	0	0	(1,071)	(538)
Depletion, depreciation, and amortization	1,322	1,257	4,225	2,858
Impairment of assets	599	0	2,276	0
Gain on sale of assets	0	0	0	(551)
Sale of interest in leasehold land, net of fees paid			(439)	(233)
Distributions of income from equity investees			1,071	319
Retirement benefits income			(259)	(189)
Non-cash rent income			(20)	(19)
Accretion of asset retirement obligation			667	596
Deferred income tax expense (benefit)	(4)	(42)	47	(99)
Asset retirement obligation payments			(556)	(896)
Share-based compensation expense			153	178
Common stock issued for services			0	90
Retirement plan contributions and payments			(3)	(2)
Credit loss expense			53	18
Foreign currency loss (gain)	61	(121)	63	(201)
Increase (decrease) from changes in current assets and liabilities			777	(433)
Net cash provided by operating activities			3,538	157
Cash flows from investing activities:
Acquisition of non-controlling interest			(185)	0
Distribution from equity investees in excess of earnings			0	219
Proceeds from sale of interest in leasehold land, net of fees paid			439	233
Proceeds from the sale of oil and natural gas assets			451	0
Capital expenditures - oil and natural gas			(2,434)	(10,022)
Capital expenditures - all other			(2)	(305)
Net cash used in investing activities			(1,731)	(9,875)
Cash flows from financing activities:
Distributions to non-controlling interests			(226)	(128)
Payment of dividends			0	(449)
Net cash used in financing activities			(226)	(577)
Effect of exchange rate changes on cash and cash equivalents			(18)	63
Net increase (decrease) in cash and cash equivalents			1,563	(10,232)
Cash and cash equivalents at beginning of period			2,830	12,804
Cash and cash equivalents at end of period	$ 4,393	$ 2,572	$ 4,393	$ 2,572