Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating activities
Net income (loss) from continuing operations	$ 133	$ (170)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation, depletion, and amortization	183	221
Amortization of loan fees-interest expense	1	4
Accretion on asset retirement obligation	36	36
(Gain) loss on assets sales	(16)
Stock based compensation	4	4
Changes in assets and liabilities:
Accounts receivable	(33)	44
Inventory and other assets	(200)	56
Accounts payable	(48)	(63)
Accrued and other current liabilities	18	(50)
Settlement on asset retirement obligation	(7)	(10)
Net cash provided by operating activities - continuing operations	71	72
Net cash provided by (used in) operating activities - discontinued operations	67	(160)
Net cash provided by (used in) operating activities	138	(88)
Investing activities
Additions to oil and gas properties	(32)	(7)
Prooceeds from sale of oil and gas properties	3
Additions to other property & equipment	(19)
Proceeds from sale of other property and equipment	7
Net cash used in investing activities - continuing operations	(41)	(7)
Net cash provided by investing activities - discontinued operations	2,650
Net cash provided by (used in) investing activities	2,609	(7)
Financing activities
Repayments of borrowings	(116)	(2,815)
Proceeds from borrowings	100	400
Proceeds from stock issuance in rights offering		2,699
Costs of stock issuance in rights offering		(37)
Net cash provided by (used in) financing activities - continuing operations	(16)	247
Net cash provided by financing activities	(16)	247
Net change in cash and cash equivalents	2,731	152
Net change in cash and cash equivalents	2,731	152
Cash and cash equivalents, beginning of period	185	76
Cash and cash equivalents, end of period	2,916	228
Supplemental cash flow information:
Cash interest payments		12
Supplemental non-cash investing and financing activities:
Financed company vehicles	109
Costs of stock issuance in rights offering		$ (140)
Capital expenditures included in accounts payable and accrued liabilities	$ 6