Oil and Gas Properties - Additional Information (Detail) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Property, Plant and Equipment [Line Items] | ||
| Depreciation, depletion, and amortization expenses | $ 70,872 | $ 84,589 |
| Oil and Gas Properties [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Total additions for oil and gas properties | 180,887 | 32,709,147 |
| Depreciation, depletion, and amortization expenses | 8,711,068 | $ 8,499,325 |
| Additions for oil and gas properties due to change in ownership percentage | 7,159,356 | |
| Reductions in oil and gas properties due to change in ownership percentage | $ 6,978,469 | |