CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net loss	$ (1,919)	$ (662)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depletion, depreciation, and amortization	928	1,511
Impairment of assets	613	0
Retirement benefits income	(79)	(86)
Accretion of asset retirement obligation	196	200
Non-cash rent income	0	(7)
Deferred income tax benefit	(9)	(2)
Asset retirement obligation payments	(101)	(160)
Share-based compensation expense	69	65
Retirement plan contributions and payments	(1)	(1)
Credit loss (reversal) expense	(14)	37
Foreign currency loss (gain)	351	(126)
(Decrease) increase from changes in current assets and liabilities	(793)	606
Net cash (used in) provided by operating activities	(759)	1,375
Cash flows from investing activities:
Proceeds from sale of oil and natural gas assets	282	0
Deposit for sale of contract drilling assets	585	0
Capital expenditures - oil and natural gas	(2,529)	(1,018)
Capital expenditures - all other	0	(1)
Net cash used in investing activities	(1,662)	(1,019)
Cash flows from financing activities:
Distributions to non-controlling interests	0	(4)
Net cash used in financing activities	0	(4)
Effect of exchange rate changes on cash and cash equivalents	(127)	41
Net (decrease) increase in cash and cash equivalents	(2,548)	393
Cash and cash equivalents at beginning of period	4,505	2,830
Cash and cash equivalents at end of period	$ 1,957	$ 3,223