Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current
Cash and cash equivalents	$ 2,916	$ 185
Accounts receivable, less allowance for doubtful accounts of $14	550	517
Accounts receivable - related party, less allowance for doubtful accounts of $159
Inventory	656	541
Other current assets	219	134
Discontinued operations included in current assets		121
Total current assets	4,341	1,498
Loan fees, net	12	13
Oil and gas properties, net (full cost accounting method)	4,570	4,720
Other property and equipment, net	243	135
Deferred tax asset	242	242
Discontinued operations included in non-current assets		1,497
Total assets	9,408	8,105
Current liabilities
Accounts payable - trade	133	181
Accounts payable - other	159	159
Accrued and other current liabilities	211	187
Current maturities of long-term debt	56	41
Discontinued operations included in current liabilities	32	43
Total current liabilities	591	611
Asset retirement obligation	2,292	2,270
Long term debt, less current maturities	103	49
Total liabilities	2,986	2,930
Commitments and contingencies (Note 13)
Stockholders' equity
Series A Preferred stock, $0.0001 par value, 10,000 shares designated; 0 shares issued and outstanding
Common stock, $.001 par value, authorized 100,000,000 shares, 10,624,493 and 10,619,924 shares issued and outstanding	11	11
Additional paid-in capital	58,257	58,253
Accumulated deficit	(51,846)	(53,089)
Total stockholders' equity	6,422	5,175
Total liabilities and stockholders' equity	$ 9,408	$ 8,105