Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating activities
Net loss from operations	$ (706)	$ (3,939)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation, depletion, and amortization	705	904
Amortization of loan fees-interest expense	11	5
Accretion on asset retirement obligation	107	107
Gain on assets sale	(5)
Impairment		2,718
Stock based compensation	11	12
Changes in assets and liabilities:
Accounts receivable	9	(45)
Inventory and other assets	110	92
Accounts payable	(125)	(597)
Accrued and other current liabilities	118	(130)
Settlement on asset retirement obligation	(21)	(66)
Net cash provided by (used in) operating activities	214	(939)
Investing activities
Additions to oil and gas properties	(147)	(300)
Proceeds from sale of oil and gas properties	6
Additions to methane project		(35)
Additions to other property and equipment	(12)	(5)
Proceeds from sale of other property and equipment		4
Net cash used in investing activities	(153)	(336)
Financing activities
Repayments of borrowings	(2,844)	(1,974)
Proceeds from borrowings	400	3,250
Proceeds from stock issuance in rights offering	2,699
Cost of stock issuance in rights offering	(102)
Loan fees		(10)
Net cash provided by financing activities	153	1,266
Net change in cash and cash equivalents	214	(9)
Cash and cash equivalents, beginning of period	76	40
Cash and cash equivalents, end of period	290	31
Supplemental cash flow information:
Cash interest payments	25	68
Supplemental non-cash investing and financing activities:
Financed company vehicles	56	$ 23
Cost of stock issuance in rights offering	(140)
Asset retirement obligations incurred	$ 1