CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net earnings	$ 2,589	$ 5,554	$ 6,327	$ 5,503
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in income of affiliates	(433)	(3,348)	(3,400)	(5,026)
Depletion, depreciation, and amortization	814	235	1,915	738
Impairment of assets	0	0	0	630
Sale of interest in leasehold land, net of fees paid			(1,137)	(1,526)
Distributions of income from equity investees			3,170	4,278
Retirement benefits income			(204)	(38)
Non-cash rent income			(1)	(3)
Accretion of asset retirement obligation			562	432
Deferred income tax (benefit) expense	(51)	151	(53)	165
Asset retirement obligation payments			(780)	(316)
Share-based compensation expense			541	389
Common stock issued for services			3	0
Retirement plan contributions and payments			(2)	(5)
Bad debt (recovery) expense			(27)	33
Gain on debt extinguishment	0	(149)	0	(149)
Gain on termination of post-retirement medical plan	0	(2,341)	0	(2,341)
Decrease from changes in current assets and liabilities			(1,245)	(659)
Net cash provided by operating activities			5,669	2,105
Cash flows from investing activities:
Distribution from equity investees in excess of earnings			230	1,649
Proceeds from sale of interest in leasehold land, net of fees paid			1,137	1,526
Proceeds from the sale of contract drilling assets			687	0
Proceeds from the sale of oil and natural gas assets			0	60
Payments to acquire oil and natural gas properties			(1,563)	(348)
Capital expenditures - oil and natural gas			(6,541)	(904)
Capital expenditures - all other			(13)	(28)
Net cash (used in) provided by investing activities			(6,063)	1,955
Cash flows from financing activities:
Borrowings on long-term debt			0	47
Distributions to non-controlling interests			(629)	(951)
Proceeds from issuance of stock, net of costs			2,356	1,736
Net cash provided by financing activities			1,727	832
Effect of exchange rate changes on cash and cash equivalents			(38)	24
Net increase in cash and cash equivalents			1,295	4,916
Cash and cash equivalents at beginning of period			11,279	4,584
Cash and cash equivalents at end of period	$ 12,574	$ 9,500	$ 12,574	$ 9,500