CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net earnings (loss)	$ 3,738	$ (51)
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Equity in income of affiliates	(2,967)	(1,678)
Depletion, depreciation, and amortization	1,101	503
Impairment of assets	0	630
Sale of interest in leasehold land, net of fees paid	(1,137)	(426)
Distributions of income from equity investees	2,737	1,607
Retirement benefits income	(136)	(17)
Non-cash rent income	0	(2)
Accretion of asset retirement obligation	351	277
Deferred income tax (benefit) expense	(2)	14
Asset retirement obligation payments	(363)	(179)
Share-based compensation expense	427	151
Common stock issued for services	3	0
Retirement plan contributions and payments	(1)	(4)
Bad debt expense	44	7
Decrease from changes in current assets and liabilities	(2,096)	(1,170)
Net cash provided by (used in) operating activities	1,699	(338)
Cash flows from investing activities:
Distribution from equity investees in excess of earnings	230	813
Proceeds from sale of interest in leasehold land, net of fees paid	1,137	426
Proceeds from the sale of contract drilling assets	687	0
Payments to acquire oil and natural gas properties	(1,563)	0
Capital expenditures - oil and natural gas	(5,223)	(552)
Capital expenditures - all other	(9)	(24)
Payment for other non-current asset	0	(250)
Issuance of note receivable	(400)	0
Net cash (used in) provided by investing activities	(5,141)	413
Cash flows from financing activities:
Borrowings on long-term debt	0	47
Distributions to non-controlling interests	(557)	(309)
Proceeds from issuance of stock, net of costs	2,356	0
Payment of deferred offering costs	0	(23)
Net cash provided by (used in) financing activities	1,799	(285)
Effect of exchange rate changes on cash and cash equivalents	(10)	13
Net decrease in cash and cash equivalents	(1,653)	(197)
Cash and cash equivalents at beginning of period	11,279	4,584
Cash and cash equivalents at end of period	$ 9,626	$ 4,387