Description Of Business And Significant Accounting Policies (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Description Of Business And Significant Accounting Policies [Abstract]
Material natural gas imbalances	$ 0		$ 0		$ 0
Methane gas revenue			0	$ 0
Unevaluated properties	552,000		$ 552,000		$ 552,000
Current cost discount			10.00%
Impairment	$ 1,445,000	$ 0	$ 2,086,000	$ 0