CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net earnings (loss)	$ 2,314	$ (2,864)
Adjustments to reconcile net earnings (loss) to net cash (used in) provided by operating activities:
Equity in income of affiliates	(2,276)	(2,624)
Depletion, depreciation, and amortization	1,203	1,607
Impairment of assets	155	1,154
Gain on sale of asset	(527)	0
Gain on sale of oil and natural gas properties	0	(472)
Sale of interest in leasehold land, net of fees paid	(4,198)	(1,915)
Distributions of income from equity investees	2,284	3,714
Retirement benefits expense	537	519
Accretion of asset retirement obligation	433	464
Deferred income tax benefit	(268)	(71)
Asset retirement obligation payments	(833)	(459)
Share-based compensation expense (benefit)	15	(22)
Deferred rent liability	21	0
Retirement plan contributions and payments	(365)	(1,106)
Real estate held for sale	0	5,132
Decrease from changes in current assets and liabilities	(614)	(1,287)
Net cash (used in) provided by operating activities	(2,119)	1,770
Cash flows from investing activities:
Purchases of certificates of deposit	(7,139)	0
Proceeds from the maturity of certificates of deposit	2,726	0
Decrease in restricted cash	0	7,089
Distributions from equity investees in excess of earnings	1,335	1,646
Proceeds from sale of interest in leasehold land, net of fees paid	4,198	1,915
Proceeds from the sale of assets, net of closing costs	2,360	0
Proceeds from sale of oil and natural gas assets	619	493
Payments to acquire oil and natural gas properties	(381)	(769)
Capital expenditures	(807)	(996)
Net cash provided by investing activities	2,911	9,378
Cash flows from financing activities:
Repayments of long-term debt	0	(3,440)
Decrease in restricted cash	372	54
Contributions from non-controlling interests	6	0
Distributions to non-controlling interests	(748)	(866)
Net cash used in financing activities	(370)	(4,252)
Effect of exchange rate changes on cash and cash equivalents	309	183
Net increase in cash and cash equivalents	731	7,079
Cash and cash equivalents at beginning of year	15,550	8,471
Cash and cash equivalents at end of year	$ 16,281	$ 15,550