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Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Abstract]
Bad debt	$ 68,000	$ 68,000
Valuation allowance	(68,000)	(68,000)
Total deferred tax assets - current
Net operating loss carryforwards	10,339,000	8,963,000
Oil and gas properties	4,445,000	4,112,000
Property, Plant and Equipment	646,000	668,000
Asset retirement obligation	801,000	870,000
Tax credits	260,000	260,000
Miscellaneous	78,000	53,000
Valuation allowance	(16,569,000)	(14,926,000)	$ (790,000)
Total deferred tax assets - noncurrent
Net deferred tax asset	$ 0	$ 0

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