CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net earnings	$ 1,209	$ 1,340
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in income of affiliates	(538)	(1,207)
Depletion, depreciation, and amortization	840	483
Gain on sale of assets	(551)	0
Sale of interest in leasehold land, net of fees paid	(233)	(527)
Distributions of income from equity investees	319	1,207
Retirement benefits income	(63)	(68)
Accretion of asset retirement obligation	194	159
Non-cash rent income	(5)	(1)
Deferred income tax (benefit) expense	(12)	32
Asset retirement obligation payments	(76)	(83)
Share-based compensation expense	115	254
Common stock issued for services	0	2
Retirement plan contributions and payments	(1)	0
Bad debt expense	18	0
Foreign currency gain	(78)	0
Decrease from changes in current assets and liabilities	(241)	(682)
Net cash provided by operating activities	897	909
Cash flows from investing activities:
Distribution from equity investees in excess of earnings	219	0
Proceeds from sale of interest in leasehold land, net of fees paid	233	527
Proceeds from the sale of contract drilling assets	0	687
Payments to acquire oil and natural gas properties	0	(317)
Capital expenditures - oil and natural gas	(3,870)	(702)
Capital expenditures - all other	(9)	(1)
Advances to operators for capital expenditures	(3,464)	0
Net cash (used in) provided by investing activities	(6,891)	194
Cash flows from financing activities:
Distributions to non-controlling interests	(108)	(251)
Net cash used in financing activities	(108)	(251)
Effect of exchange rate changes on cash and cash equivalents	34	11
Net (decrease) increase in cash and cash equivalents	(6,068)	863
Cash and cash equivalents at beginning of period	12,804	11,279
Cash and cash equivalents at end of period	$ 6,736	$ 12,142