Supplementary Information on Oil And Gas Producing Activities (Unaudited) - Summary of Standardized Measure of Discontinued Future Net Cash Flows (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Extractive Industries [Abstract]
Future Cash Inflows	$ 330,073,018	$ 186,892,866
Future Production Costs	(142,451,499)	(71,482,928)
Future Development Costs	(7,852,451)
Future Income Tax Expense	(37,524,303)	(23,081,988)
Future Net Cash Flows	142,244,765	92,327,950
Discounted for Estimated Timing of Cash Flows	(75,150,765)	(48,013,950)
Standardized Measure of Discounted Future Net Cash Flows	$ 67,094,000	$ 44,314,000

Discounted future net cash flows proved oil and gas reserves discount for estimated timing of cash flows.

No definition available.

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Discounted future net cash flows proved oil and gas reserves future cash inflows.

No definition available.

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Discounted future net cash flows proved oil and gas reserves future development costs.

No definition available.

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Discounted future net cash flows proved oil and gas reserves future income tax expense.

No definition available.

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Discounted future net cash flows proved oil and gas reserves future net cash flows.

No definition available.

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Discounted future net cash flows proved oil and gas reserves future production costs.

No definition available.

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Discounted future net cash flows proved oil and gas reserves standardized measure.

No definition available.

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