Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current
Cash and cash equivalents	$ 228	$ 76
Accounts receivable, less allowance for doubtful accounts of $14	536	490
Accounts receivable - related party, less allowance for doubtful accounts of $159
Inventory	597	627
Other current assets	255	421
Total current assets	1,616	1,614
Loan fees, net	20	24
Oil and gas properties, net (full cost accounting method)	5,020	5,225
Manufactured Methane facilities, net	1,544	1,559
Other property and equipment, net	123	140
Total assets	8,323	8,562
Current liabilities
Accounts payable - trade	199	303
Accounts payable - other	159	159
Accrued and other current liabilities	216	274
Current maturities of long-term debt	53	55
Total current liabilities	627	791
Asset retirement obligation	2,071	2,046
Long term debt, less current maturities	34	2,447
Total liabilities	2,732	5,284
Commitments and contingencies (Note 13)
Preferred stock, 25,000,000 shares authorized
Series A Preferred stock, $0.001 par value, 10,000 shares designated; 0 shares issued and outstanding
Common stock, $.001 par value, authorized 100,000,000 shares, 10,601,685 and 6,097,723 shares issued and outstanding	11	6
Additional paid-in capital	58,308	55,787
Accumulated deficit	(52,728)	(52,515)
Total stockholders' equity	5,591	3,278
Total liabilities and stockholders' equity	$ 8,323	$ 8,562