CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net earnings	$ 6,172	$ 7,203
Adjustments to reconcile net earnings to net cash provided by operating activities:
Equity in income of affiliates	(3,400)	(5,793)
Depletion, depreciation, and amortization	2,778	963
Impairment of assets	89	668
Gain on sale of oil and natural gas properties	0	(818)
Gain on sale of other assets	0	(1,164)
Sale of interest in leasehold land, net of fees paid	(1,137)	(1,526)
Distributions of income from equity investees	3,170	5,045
Retirement benefits income	(272)	(88)
Accretion of asset retirement obligation	767	580
Deferred income tax (benefit) expense	(171)	165
Asset retirement obligation payments	(942)	(421)
Share-based compensation expense	657	643
Common stock issued for services	3	1
Non-cash rent income	(1)	(4)
Retirement plan contributions and payments	(3)	(14)
Bad debt expense	124	32
Foreign currency loss	484	0
Gain on debt extinguishment	0	(149)
Gain on termination of post-retirement medical plan	0	(2,341)
Decrease from changes in current assets and liabilities	(1,027)	(2,151)
Net cash provided by operating activities	7,291	831
Cash flows from investing activities:
Distributions 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 sale of oil and natural gas assets	503	581
Proceeds from sale of contract drilling and other assets, net of closing costs	687	1,864
Deposit for sale of contract drilling asset	551	0
Payments to acquire oil and natural gas properties	(1,563)	(348)
Capital expenditures - oil and natural gas	(8,607)	(1,523)
Capital expenditures - all other	(50)	(63)
Net cash (used in) provided by investing activities	(7,112)	3,686
Cash flows from financing activities:
Borrowings on long-term debt	0	47
Distributions to non-controlling interests	(647)	(1,034)
Proceeds from issuance of stock, net of costs	2,356	3,179
Payment of dividends	(149)	0
Net cash provided by financing activities	1,560	2,192
Effect of exchange rate changes on cash and cash equivalents	(214)	(14)
Net increase in cash and cash equivalents	1,525	6,695
Cash and cash equivalents at beginning of year	11,279	4,584
Cash and cash equivalents at end of year	$ 12,804	$ 11,279