Operating Segments - Schedule of Company's Asset by Operating Segment (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Segment Reporting, Asset Reconciling Item [Line Items]
Investment in unconsolidated affiliate	$ 350,748	$ 351,724
Goodwill	16,267,377	16,267,377
Total assets	198,622,437	203,731,797
Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Goodwill	16,267,377	16,267,377
Total assets	295,524,230	290,712,885
Intersegment Elimination [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	(96,901,863)	(86,969,270)
Natural Gas Operations [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Investment in unconsolidated affiliate	0	0
Total assets	128,053,647	130,325,388
Natural Gas Operations [Member] | Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Goodwill	14,891,377	14,891,377
Total assets	193,413,912	184,097,483
Natural Gas Operations [Member] | Intersegment Elimination [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	(65,360,265)	(53,772,095)
Marketing and Production [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	5,059,332	7,955,233
Marketing and Production [Member] | Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Investment in unconsolidated affiliate	350,748	351,724
Goodwill	1,376,000	1,376,000
Total assets	7,963,197	11,633,544
Marketing and Production [Member] | Intersegment Elimination [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	(2,903,865)	(3,678,311)
Corporate and Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	65,509,388	65,462,994
Corporate and Other [Member] | Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Investment in unconsolidated affiliate	0	0
Goodwill	0	0
Total assets	94,147,121	94,981,858
Corporate and Other [Member] | Intersegment Elimination [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ (28,637,733)	$ (29,518,864)