Related Party Transactions (Details)			1 Months Ended			12 Months Ended
	Dec. 18, 2007 USD ($)	Sep. 17, 2007 USD ($) item	Feb. 28, 2014	Jan. 31, 2014	Mar. 31, 2008 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	May. 15, 2014 USD ($)
Productive Wells [Line Items]
Cost incurred, development costs						$ 252,000	$ 864,000	$ 998,000
Working interest percent	15.00%
Bond, face value	$ 10,700,000								$ 0
Cash collateral	$ 6,600,000
Percent of cash collateral						100.00%
Related parties accounts payable						$ 159,000	159,000
Allowance For Doubtful Accounts, Due from Related Parties, Current						159,000	159,000
Accounts payable - related party						634,000	590,000
Right-Of-Use And Easement Bonds [Member]
Productive Wells [Line Items]
Bond, face value						1,550,000
Ten Well Program [Member]
Productive Wells [Line Items]
Wells in process of drilling | item		10
Number of wildcat wells | item		3
Number of developmental wells | item		7
Percent of working interest revenue, as a fee			85.00%	25.00%
Payout point multiplier | item		1.35
Payout point value					$ 5,200,000
Related party transaction					$ 3,850,000
Ten Well Program [Member] | At Or Above Revenue Threshold [Member]
Productive Wells [Line Items]
Percent of working interest revenue, as a fee		85.00%
Ten Well Program [Member] | Up To Revenue Threshold [Member]
Productive Wells [Line Items]
Percent of working interest revenue, as a fee		25.00%
Ten Well Program [Member] | Producing Well [Member]
Productive Wells [Line Items]
Cost incurred, development costs		$ 400,000
Ten Well Program [Member] | Non-Productive Well [Member]
Productive Wells [Line Items]
Cost incurred, development costs		$ 250,000
Methane Project [Member]
Productive Wells [Line Items]
Percent of net profits, interest		75.00%	7.50%	75.00%
Hoactzin [Member]
Productive Wells [Line Items]
Allowance For Doubtful Accounts, Due from Related Parties, Current						$ 159,000	$ 159,000