Commitments And Contingencies (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) item $ / bbl	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Loss Contingencies [Line Items]
Production costs and taxes	$ 1,128,000	$ 1,463,000	$ 3,223,000	$ 4,769,000
Decrease in compensation			$ 93,000
Incidence Of Non-Compliance [Member]
Loss Contingencies [Line Items]
Wells issued incidence of non-compliance | item			1
Maximum potential loss	$ 386,000		$ 386,000
Production costs and taxes					$ 386,000
Minimum [Member]
Loss Contingencies [Line Items]
Compensation reduction until WTI posting | $ / bbl			70
Compensation reimbursement at WTI posting | $ / bbl			85