CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net loss	$ (51,000)	$ (1,937,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Equity in (income) loss of affiliates	(1,678,000)	68,000
Depletion, depreciation, and amortization	503,000	1,392,000
Gain on sale of asset	0	(1,336,000)
Impairment of assets	630,000	1,637,000
Sale of interest in leasehold land, net of fees paid	(426,000)	0
Distributions of income from equity investees	1,607,000	0
Retirement benefits (income) expense	(17,000)	26,000
Non-cash rent (income) expense	(2,000)	50,000
Accretion of asset retirement obligation	277,000	276,000
Deferred income tax expense (benefit)	14,000	(9,000)
Asset retirement obligation payments	(179,000)	(420,000)
Share-based compensation expense	151,000	0
Retirement plan contributions and payments	(4,000)	(4,000)
Bad debt expense	7,000	150,000
Decrease from changes in current assets and liabilities	(1,170,000)	(145,000)
Net cash used in operating activities	(338,000)	(252,000)
Cash flows from investing activities:
Proceeds from sale of interest in leasehold land, net of fees paid	426,000	0
Distribution from equity investees in excess of earnings	813,000	0
Proceeds from the sale of asset	0	1,100,000
Proceeds from sale of oil and natural gas assets	0	594,000
Capital expenditures - oil and natural gas	(552,000)	(2,448,000)
Capital expenditures - all other	(24,000)	(203,000)
Payment for other non-current asset	(250,000)	0
Net cash provided by (used in) investing activities	413,000	(957,000)
Cash flows from financing activities:
Borrowings on long-term debt	47,000	0
Distributions to non-controlling interests	(309,000)	0
Payment of deferred offering costs	(23,000)	0
Net cash used in financing activities	(285,000)	0
Effect of exchange rate changes on cash and cash equivalents	13,000	(18,000)
Net decrease in cash and cash equivalents	(197,000)	(1,227,000)
Cash and cash equivalents at beginning of period	4,584,000	4,613,000
Cash and cash equivalents at end of period	$ 4,387,000	$ 3,386,000