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Property and Equipment - Summary of Property and Equipment (Details) - USD ($) | Jun. 30, 2016 | Jun. 30, 2015
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Oil and natural gas properties: |  |
Property costs subject to amortization | $ 77,408,353 | $ 57,718,653
Less: Accumulated depreciation, depletion, and amortization | (17,437,890) | (12,531,767)
Unproved properties not subject to amortization | 0 | 0
Oil and natural gas properties, net | 59,970,463 | 45,186,886
Other property and equipment: |  |
Furniture, fixtures and office equipment, at cost | 228,752 | 287,680
Artificial lift technology equipment, at cost | 7,000 | 319,994
Less: Accumulated depreciation | (207,103) | (330,918)
Other property and equipment, net | $ 28,649 | $ 276,756

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