CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Current assets:
Cash and cash equivalents	$ 4,584	$ 4,613
Accounts and other receivables, net of allowance for doubtful accounts of: $341,000 at September 30, 2020; $44,000 at September 30, 2019	2,176	1,884
Income taxes receivable	472	386
Asset held for sale	699	0
Other current assets	1,556	1,821
Total current assets	9,487	8,704
Income taxes receivable, net of current portion	0	230
Asset for retirement benefits	771	0
Investments	901	980
Operating lease right-of-use assets	249
Property and equipment, net	3,774	8,388
Total assets	15,182	18,302
Current liabilities:
Accounts payable	2,104	1,223
Accrued capital expenditures	542	287
Accrued compensation	408	205
Accrued operating and other expenses	1,325	1,079
Current portion of operating lease liabilities	111
Current portion of asset retirement obligation	647	330
Other current liabilities	1,227	1,644
Total current liabilities	6,364	4,768
Deferred rent	0	193
Long-term debt	58	0
Operating lease liabilities	143
Liability for retirement benefits	4,829	5,785
Asset retirement obligation	5,547	6,059
Deferred income tax liabilities	194	168
Total liabilities	17,135	16,973
Commitments and contingencies (Note 17)
Equity:
Common stock, par value $0.50 per share; authorized, 20,000,000 shares: 8,445,060 issued at September 30, 2020 and 2019	4,223	4,223
Additional paid-in capital	1,350	1,350
(Accumulated deficit) retained earnings	(3,897)	859
Accumulated other comprehensive loss, net	(1,435)	(2,917)
Treasury stock, at cost: 167,900 shares at September 30, 2020 and 2019	(2,286)	(2,286)
Total stockholders’ (deficit) equity	(2,045)	1,229
Non-controlling interests	92	100
Total (deficit) equity	(1,953)	1,329
Total liabilities and equity	$ 15,182	$ 18,302