Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current
Cash and cash equivalents	$ 31	$ 40
Accounts receivable, less allowance for doubtful accounts of $14	490	446
Accounts receivable - related party, less allowance for doubtful accounts of $159
Inventory	632	542
Other current assets	172	354
Total current assets	1,325	1,382
Oil and gas properties, net (full cost accounting method)	5,594	8,838
Manufactured Methane facilities, net	1,563	1,573
Other property and equipment, net	156	200
Total assets	8,638	11,993
Current liabilities
Accounts payable - trade	188	151
Accounts payable - other	159	159
Accounts payable - related party		634
Accrued and other current liabilities	226	356
Current maturities of long-term debt	58	65
Total current liabilities	631	1,365
Asset retirement obligation	2,243	2,222
Long term debt, less current maturities	2,231	946
Total liabilities	5,105	4,533
Commitments and contingencies (Note 11)
Stockholders' equity
Common stock, $.001 par value, authorized 100,000,000 shares, 6,093,634 and 6,084,241 shares issued and outstanding	6	6
Additional paid-in capital	55,782	55,770
Accumulated deficit	(52,255)	(48,316)
Total stockholders' equity	3,533	7,460
Total liabilities and stockholders' equity	$ 8,638	$ 11,993