Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities
Net loss	$ (527)	$ (96)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation, depletion, and amortization	160	184
Amortization of loan fees-interest expense		2
Accretion on asset retirement obligation	31	35
Gain on asset sales	(2)	(45)
Stock based compensation	4	4
Changes in assets and liabilities:
Accounts receivable	250	(75)
Inventory and other assets	192	(55)
Accounts payable	(54)	50
Accrued and other current liabilities	123	(15)
Settlement on asset retirement obligation	(3)	(7)
Net cash provided by (used in) operating activities	174	(18)
Investing activities
Additions to oil and gas properties	(96)	(11)
Proceeds from sale of oil and gas properties	20
Additions to other property and equipment	(5)
Proceeds from sale of materials inventory		150
Net cash provided by (used in) investing activities	(81)	139
Financing activities
Repayments of borrowings	(8)	(12)
Proceeds from borrowings
Net cash used in financing activities	(8)	(12)
Net change in cash and cash equivalents	85	109
Cash and cash equivalents, beginning of period	3,055	3,115
Cash and cash equivalents, end of period	3,140	3,224
Supplemental cash flow information:
Cash interest payments	2	1
Supplemental non-cash investing and financing activities:
Financed company vehicles
Capital expenditures included in accounts payable and accrued liabilities