Business Segments - Summary of Operations in Different Segments (Detail) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Revenue	$ 9,776,342	$ 3,609,326
Income (Loss) from operations	3,168,243	(918,888)
Interest expense	4,131,193	1,902,746
Depreciation, depletion, amortization and accretion	2,111,726	639,449
Property and equipment acquisitions, including oil and gas properties	1,986,807	13,383,172
Total assets, net of intercompany accounts:	94,218,512		90,115,321
Exploration and Production [Member]
Segment Reporting Information [Line Items]
Revenue	9,716,422	3,573,883
Income (Loss) from operations	4,554,604	607,258
Interest expense	4,127,501	1,897,900
Depreciation, depletion, amortization and accretion	2,111,370	639,395
Property and equipment acquisitions, including oil and gas properties	1,986,807	13,377,891
Total assets, net of intercompany accounts:	94,198,338		90,098,192
Pipeline Transmission [Member]
Segment Reporting Information [Line Items]
Revenue	54,789	35,443
Income (Loss) from operations	56,327	32,554
Interest expense
Depreciation, depletion, amortization and accretion	356	54
Property and equipment acquisitions, including oil and gas properties
Total assets, net of intercompany accounts:	20,174		17,129
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Revenue	5,131
Income (Loss) from operations	(1,442,688)	(1,558,700)
Interest expense	3,692	4,846
Depreciation, depletion, amortization and accretion
Property and equipment acquisitions, including oil and gas properties		$ 5,281