Summary of Significant Accounting Policies (Summary of Gas and Oil Properties) (Details) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Property Plant And Equipment [Line Items]
Total natural gas and oil properties	$ 18,976,300	$ 18,976,300
Accumulated depletion and impairment	(18,439,300)	(18,439,300)
Gas and oil properties, net	537,000	537,000
Leasehold interests
Property Plant And Equipment [Line Items]
Total natural gas and oil properties	254,600	254,600
Wells and related equipment
Property Plant And Equipment [Line Items]
Total natural gas and oil properties	$ 18,721,700	$ 18,721,700