Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 76	$ 40
Accounts receivable, less allowance for doubtful accounts of $14	490	446
Accounts receivable-related party, less allowance for doubtful accounts of $159
Inventory	627	542
Other current assets	421	354
Total current assets	1,614	1,382
Oil and gas properties, net (full cost accounting method)	5,225	8,838
Manufactured Methane facilities, net	1,559	1,573
Other property and equipment, net	140	200
Total assets	8,538	11,993
Liabilities and Stockholders' Equity
Accounts payable - trade	303	151
Accounts payable - other	159	159
Accounts payable - related party		634
Accrued liabilities	274	356
Current maturities of long-term debt	55	65
Total current liabilities	791	1,365
Asset retirement obligation	2,046	2,222
Long term debt, less current maturities	2,423	946
Total liabilities	5,260	4,533
Commitments and contingencies (Note 9)
Stockholders' equity
Common stock, $.001 par value: authorized 100,000,000 Shares; 6,097,723 and 6,084,241shares issued and outstanding	6	6
Additional paid in capital	55,787	55,770
Accumulated deficit	(52,515)	(48,316)
Total stockholders' equity	3,278	7,460
Total liabilities and stockholders' equity	$ 8,538	$ 11,993