CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Sep. 30, 2015
Current assets:
Cash and cash equivalents	$ 5,837	$ 8,471
Restricted cash	7,203	7,458
Accounts and other receivables, net of allowance for doubtful accounts of: $39,000 at December 31, 2015; $23,000 at September 30, 2015	1,126	2,300
Investment held for sale	1,192	1,192
Real estate held for sale	5,132	5,132
Other current assets	1,499	1,125
Total current assets	21,989	25,678
Restricted cash, net of current portion	88	119
Investments	6,451	6,288
Property and equipment	74,456	75,953
Accumulated depletion, depreciation, and amortization	(64,937)	(66,485)
Property and equipment, net	9,519	9,468
Total assets	38,047	41,553
Current liabilities:
Accounts payable	1,688	2,653
Accrued capital expenditures	479	363
Accrued operating and other expenses	1,162	1,343
Accrued incentive and other compensation	395	560
Billings in excess of costs	212	569
Payable to joint interest owners	224	428
Current portion of asset retirement obligation	681	506
Current portion of long-term debt	3,440	3,440
Other current liabilities	121	141
Total current liabilities	8,402	10,003
Liability for retirement benefits	5,151	5,409
Asset retirement obligation	6,181	6,430
Deferred income taxes	509	449
Total liabilities	$ 20,243	$ 22,291
Commitments and contingencies (Note 13)
Equity:
Common stock, par value $0.50 per share; authorized, 20,000,000 shares: 8,445,060 issued at December 31, 2015 and September 30, 2015	$ 4,223	$ 4,223
Additional paid-in capital	1,338	1,335
Retained earnings	16,058	17,467
Accumulated other comprehensive loss, net	(2,239)	(2,122)
Treasury stock, at cost: 167,900 shares at December 31, 2015 and September 30, 2015	(2,286)	(2,286)
Total stockholders' equity	17,094	18,617
Non-controlling interests	710	645
Total equity	17,804	19,262
Total liabilities and equity	$ 38,047	$ 41,553