CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net loss	$ (8,122)	$ (465)
Adjustments to reconcile net earnings (loss) to net cash (used in) provided by operating activities:
Equity in loss of affiliates	545	97
Depletion, depreciation, and amortization	2,308	694
Impairment of assets	2,413	202
Gain on sale of oil and natural gas properties	0	2,250
Retirement benefits expense	133	222
Income tax receivable, noncurrent	(31)	(460)
Deferred rent liability	65	65
Accretion of asset retirement obligation	452	211
Deferred income tax (benefit) expense	(134)	420
Asset retirement obligation payments	(310)	(589)
Share-based compensation benefit	(31)	(6)
Retirement plan contributions and payments	(121)	(215)
Sale of interest in leasehold land, net of fees paid	(124)	(1,272)
Increase (decrease) from changes in current assets and liabilities	1,326	(975)
Net cash used in operating activities	(1,631)	(4,321)
Cash flows from investing activities:
Purchase of certificates of deposit	0	(3,958)
Proceeds from the maturity of certificates of deposit	741	4,911
Distribution from equity investees in excess of earnings	352	417
Net proceeds from sale of interest in leasehold land	124	929
Proceeds from sale of oil and natural gas assets	1,519	770
Payments to acquire oil and natural gas properties	(355)	0
Capital expenditures - oil and natural gas	(58)	(473)
Capital expenditures - all other	(1,221)	(114)
Increase in notes receivable	(300)	0
Net cash provided by investing activities	802	2,482
Cash flows from financing activities:
Distributions to non-controlling interests	(110)	(594)
Net cash used in financing activities	(110)	(594)
Effect of exchange rate changes on cash and cash equivalents	9	(309)
Net decrease in cash and cash equivalents	(930)	(2,742)
Cash and cash equivalents at beginning of period	5,965	16,281
Cash and cash equivalents at end of period	$ 5,035	$ 13,539