Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating activities
Net income (loss) from continuing operations	$ 530	$ (761)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation, depletion, and amortization	599	658
Amortization of loan fees-interest expense	3	11
Accretion on asset retirement obligation	106	107
(Gain) loss on asset sales	(34)	(5)
Stock based compensation	4	11
Changes in assets and liabilities:
Accounts receivable	(57)	90
Inventory and other assets	(144)	110
Accounts payable	(14)	(122)
Accrued and other current liabilities	30	113
Settlement on asset retirement obligation	(5)	(21)
Net cash provided by operating activities - continuing operations	1,018	191
Net cash provided by (used in) operating activities - discontinued operations	45	23
Net cash provided by operating activities	1,063	214
Investing activities
Additions to oil and gas properties	(453)	(147)
Proceeds from sale of oil and gas properties	7	6
Additions to other property and equipment	(28)	(12)
Proceeds from sale of other property and equipment	8
Net cash used in investing activities - continuing operations	(466)	(153)
Net cash provided by investing activities - discontinued operations	2,650
Net cash provided by (used in) investing activities	2,184	(153)
Financing activities
Repayments of borrowings	(130)	(2,844)
Proceeds from borrowings	100	400
Proceeds from stock issuance in rights offering		2,699
Cost of stock issuance in rights offering		(102)
Net cash provided by (used in) financing activities - continuing operations	(30)	153
Net cash provided by (used in) financing activities - discontinued operations
Net cash provided by (used in) financing activities	(30)	153
Net change in cash and cash equivalents	3,217	214
Cash and cash equivalents, beginning of period	185	76
Cash and cash equivalents, end of period	3,402	290
Supplemental cash flow information:
Cash interest payments		25
Supplemental non-cash investing and financing activities:
Financed company vehicles, net of trade-ins	76	27
Cost of stock issuance in rights offering		(140)
Asset retirement obligations incurred		$ 1
Capital expenditures included in accounts payable and accrued liabilities	$ 227