CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 419	$ 113
Accounts receivable from oil and gas sales	67	119
Current portion note receivable	36	206
Total current assets	522	438
Oil and natural gas properties (full cost accounting method)
Proved developed and undeveloped oil and gas properties, net of depletion	2,721	5,608
Property and equipment, net of depreciation
Land, buildings and equipment - oil and gas operations	661	706
Other	0	25
Total property and equipment	661	706
Note receivable	301	401
Total assets	4,205	7,178
Current liabilities
Accounts payable - trade (including $412 and $160 in 2017 and 2016 due to related parties)	446	238
Accrued expenses	29	59
Current portion of long term debt	81	96
Total current liabilities	556	393
Long-term debt
Notes payable less current portion	243	296
Asset retirement obligation	2,770	2,770
Total liabilities	3,569	3,459
Stockholders' equity
Series B convertible preferred stock, $10 par value, liquidation value of $100 authorized 100 shares, issued and outstanding one share	1	1
Common stock, $.01 par value; authorized, 100,000,000 shares; issued and outstanding, 2,036,935 and 1,946,935 shares at December 31, 2017 and 2016	21	20
Additional paid-in capital	59,000	58,838
Accumulated deficit	(58,386)	(55,140)
Total Stockholder's equity	636	3,719
Total liabilities & stockholders' equity	$ 4,205	$ 7,178