CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net loss	$ (419)	$ (4,573)
Adjustments to reconcile net loss to net cash used in operating activities:
Equity in loss of affiliates	43	79
Depletion, depreciation, and amortization	705	819
Impairment of assets	0	2,170
Retirement benefits expense	71	54
Accretion of asset retirement obligation	134	150
Income tax receivable, noncurrent	0	(31)
Non-cash rent expense	30	22
Deferred income tax benefit	(9)	(72)
Asset retirement obligation payments	(2)	(33)
Share-based compensation benefit	0	(24)
Retirement plan contributions and payments	(2)	(2)
Sale of interest in leasehold land, net of fees paid	0	(124)
(Decrease) increase from changes in current assets and liabilities	(1,917)	567
Net cash used in operating activities	(1,366)	(998)
Cash flows from investing activities:
Proceeds from the maturity of certificates of deposit	0	741
Net proceeds from sale of interest in leasehold land	0	124
Distribution from equity investees in excess of earnings	0	352
Proceeds from sale of oil and natural gas assets	594	633
Payments to acquire oil and natural gas properties	0	(355)
Capital expenditures - oil and natural gas	(1,444)	(108)
Capital expenditures - all other	(13)	(96)
Net cash (used in) provided by investing activities	(863)	1,291
Cash flows from financing activities:
Distributions to non-controlling interests	0	(107)
Net cash used in financing activities	0	(107)
Effect of exchange rate changes on cash and cash equivalents	15	(53)
Net (decrease) increase in cash and cash equivalents	(2,214)	133
Cash and cash equivalents at beginning of period	4,613	5,965
Cash and cash equivalents at end of period	$ 2,399	$ 6,098