Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net loss	$ (950)	$ (787)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, depletion, amortization and accretion	465	732
Change in fair value of commodity derivative contracts	(124)	(29)
Stock-based compensation and services	623	289
Warrant fair value adjustment	(478)	(450)
Change in fair value of marketable securities	(80)
Other	14	(189)
Decrease (increase) in:
Oil and gas sales receivable	(240)	98
Other assets	(4)	(35)
Transaction deposit	(124)
Increase (decrease) in:
Oil and gas payables and related party payable	(367)	(335)
Accrued compensation and benefits	337	20
Net cash used in operating activities	(928)	(706)
Cash flows from investing activities:
Purchase of property and equipment	(9)
Proceeds from asset sale		23
Capital expenditures	(209)	(21)
Net cash (used in) provided by investing activities:	(218)	2
Cash flows from financing activities:
Payment on Credit Facility	(600)
Repurchase of employee shares to satisfy tax withholding	(204)
Proceeds from issuance of common stock, net	1,666
Net cash provided by financing activities	862
Net decrease in cash and equivalents	(284)	(704)
Cash and cash equivalents, beginning of period	3,277	2,518
Cash and cash equivalents, end of period	2,993	1,814
Supplemental cash flow information:
Cash paid for interest	$ 105	$ 320

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