Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating activities
Net loss from operations	$ (391)	$ (3,031)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation, depletion, and amortization	479	648
Amortization of loan fees-interest expense	7	3
Accretion on asset retirement obligation	71	73
Impairment		2,086
Stock based compensation	7	8
Changes in assets and liabilities:
Accounts receivable	(91)	(82)
Inventory and other assets	154	(31)
Accounts payable	(129)	(544)
Accrued and other current liabilities	(65)	(156)
Settlement on asset retirement obligation	(21)	(39)
Net cash provided by (used in) operating activities	21	(1,065)
Investing activities
Additions to oil and gas properties	(140)	(291)
Proceeds from sale of oil and gas properties	6
Additions to methane project		(35)
Additions to other property and equipment		(5)
Proceeds from sale of other property and equipment		4
Net cash used in investing activities	(134)	(327)
Financing activities
Repayments of borrowings	(2,828)	(1,032)
Proceeds from borrowings	400	2,450
Proceeds from stock issuance in rights offering	2,699
Cost of stock issuance in rights offering	(102)
Net cash provided by financing activities	169	1,418
Net change in cash and cash equivalents	56	26
Cash and cash equivalents, beginning of period	76	40
Cash and cash equivalents, end of period	132	66
Supplemental cash flow information:
Cash interest payments	12	43
Supplemental non-cash investing and financing activities:
Financed company vehicles	24	$ 23
Cost of stock issuance in rights offering	(140)
Asset retirement obligations incurred	$ 1