Supplementary Information on Oil And Gas Producing Activities (Unaudited) - Summary of Principal Changes in the Aggregate Standardized Measure of Discounted Future Net Cash Flows (Detail) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Extractive Industries [Abstract] | ||
| Standardized Measure, Beginning of Year | $ 67,094,000 | $ 44,314,000 |
| Oil and gas sales, net of production costs | 942,744 | (14,625,871) |
| Changes in prices and future production | (75,829,003) | (1,676,515) |
| Extensions, discoveries and improved recovery, net of costs | 157,123 | 40,301,999 |
| Sales of Minerals in place-leaseholds | (2,398,466) | (3,433,255) |
| Change in estimated future development costs | 913,657 | (6,553,408) |
| Previously estimated development costs incurred | 3,781,305 | |
| Revisions of previous quantity estimates | (7,451,741) | 4,682,554 |
| Accretion of Discount | 6,709,400 | 4,431,400 |
| Net change in income taxes | 15,412,445 | (7,071,933) |
| Timing and Other | 483,400 | 6,725,029 |
| Standardized Measure, End of Year | $ 9,814,864 | $ 67,094,000 |