Summary of Significant Accounting Policies (Summary of Gas and Oil Properties) (Details) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Property Plant And Equipment [Line Items]
Total natural gas and oil properties	$ 88,461,600	$ 88,461,600
Accumulated depletion and impairment	(86,545,300)	(86,539,800)
Gas and oil properties, net	1,916,300	1,921,800
Leasehold interests
Property Plant And Equipment [Line Items]
Total natural gas and oil properties	1,684,000	1,684,000
Wells and related equipment
Property Plant And Equipment [Line Items]
Total natural gas and oil properties	$ 86,777,600	$ 86,777,600