Business Segments - Summary of Operations in Different Segments (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Segment Reporting Information [Line Items]
Revenue	$ 3,665,937	$ 8,456,725	$ 8,095,467	$ 18,233,067
Income (Loss) from operations	(4,908,092)	1,183,698	(6,499,408)	4,351,941
Interest expense	3,047,743	9,674,758	6,163,480	13,805,951
Depreciation, depletion, amortization and accretion	2,588,627	2,248,970	4,391,457	4,360,695
Property and equipment acquisitions, including oil and gas properties	(6,911,516)	14,023,369	198,765	16,010,176
Total assets, net of intercompany accounts	103,392,482		103,392,482		$ 111,769,145
Operating Segments [Member] | Exploration and Production [Member]
Segment Reporting Information [Line Items]
Revenue	3,620,627	8,432,592	8,005,664	18,149,015
Income (Loss) from operations	(3,110,429)	2,744,344	(3,532,005)	7,298,948
Interest expense	3,046,382	9,673,862	6,161,740	13,801,363
Depreciation, depletion, amortization and accretion	2,568,920	2,248,720	4,351,233	4,360,089
Property and equipment acquisitions, including oil and gas properties	(6,914,445)	14,021,282	193,597	16,008,089
Total assets, net of intercompany accounts	103,379,424		103,379,424		111,755,587
Operating Segments [Member] | Pipeline Transmission [Member]
Segment Reporting Information [Line Items]
Revenue	41,173	22,830	83,889	77,619
Income (Loss) from operations	22,557	(27,472)	52,137	28,855
Depreciation, depletion, amortization and accretion	250	250	500	606
Total assets, net of intercompany accounts	13,058		13,058		$ 13,558
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Revenue	4,137	1,303	5,914	6,433
Income (Loss) from operations	(1,820,220)	(1,533,174)	(3,019,540)	(2,975,862)
Interest expense	1,361	896	1,740	4,588
Depreciation, depletion, amortization and accretion	19,457		39,724
Property and equipment acquisitions, including oil and gas properties	$ 2,929	$ 2,087	$ 5,168	$ 2,087