Consolidated Statements Of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Operating activities
Net loss	$ (3,648,000)	$ (436,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation, depletion, and amortization	644,000	716,000
Amortization of loan fees-interest expense	2,000	5,000
Accretion of discount on asset retirement obligation	125,000	132,000
Gain on asset sales	(11,000)	(45,000)
Loan Forgiveness - PPP Loan	(166,000)
Compensation and services paid in stock / stock options	14,000	17,000
Impairment	920,000
Changes in assets and liabilities:
Accounts receivable	328,000	41,000
Inventory, prepaid expenses and other assets	193,000	(68,000)
Accounts payable	32,000	63,000
Accrued liabilities	43,000	(123,000)
Settlement on asset retirement obligation	(25,000)	(76,000)
Net cash provided by (used in) operating activities	(1,549,000)	226,000
Investing activities
Additions to oil and gas properties	(103,000)	(437,000)
Proceeds from sale of oil and gas properties	38,000	56,000
Additions to other property and equipment	(6,000)	(2,000)
Proceeds from sale of other property and equipment		150,000
Net cash used in investing activities	(71,000)	(233,000)
Financing activities
Proceeds from borrowings	166,000
Repayments of borrowings	(41,000)	(53,000)
Proceeds from exercise of options	1,000
Net cash provided by (used in) financing activities	126,000	(53,000)
Net change in cash and cash equivalents	(1,494,000)	(60,000)
Cash and cash equivalents, beginning of period	3,055,000	3,115,000
Cash and cash equivalents, end of period	1,561,000	3,055,000
Supplemental cash flow information:
Cash interest payments	6,000	5,000
Supplemental non-cash investing and financing activities:
Financed company vehicles	53,000	57,000
Asset retirement obligations incurred		12,000
Revisions to asset retirement obligations	$ 69,000	(187,000)
Capital expenditures included in accounts payable and accrued liabilities		$ 88,000