CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net earnings (loss)	$ 743	$ (419)
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Equity in (income) loss of affiliates	(1,054)	43
Depletion, depreciation, and amortization	276	705
Impairment of assets	630	0
Sale of interest in leasehold land, net of fees paid	(426)	0
Distributions of income from equity investees	1,054	0
Retirement benefits (income) expense	(8)	71
Accretion of asset retirement obligation	137	134
Non-cash rent (income) expense	(1)	30
Deferred income tax expense (benefit)	39	(9)
Asset retirement obligation payments	(38)	(2)
Retirement plan contributions and payments	(2)	(2)
Bad debt expense	7	0
Decrease from changes in current assets and liabilities	(1,277)	(1,917)
Net cash provided by (used in) operating activities	80	(1,366)
Cash flows from investing activities:
Proceeds from sale of interest in leasehold land, net of fees paid	426	0
Distribution from equity investees in excess of earnings	813	0
Proceeds from sale of oil and natural gas assets	0	594
Capital expenditures - oil and natural gas	(364)	(1,444)
Capital expenditures - all other	0	(13)
Net cash provided by (used in) investing activities	875	(863)
Cash flows from financing activities:
Borrowings on long-term debt	31	0
Distributions to non-controlling interests	(248)	0
Net cash used in financing activities	(217)	0
Effect of exchange rate changes on cash and cash equivalents	12	15
Net increase (decrease) in cash and cash equivalents	750	(2,214)
Cash and cash equivalents at beginning of period	4,584	4,613
Cash and cash equivalents at end of period	$ 5,334	$ 2,399