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Supplemental Disclosures about Oil and Natural Gas Producing Properties (unaudited) - Schedule of Costs Incurred and Capitalized in Oil and Natural Gas Property Acquisition, Exploration, and Development (Details) - USD ($)
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Property acquisition costs:      
Proved property $ 0 $ 0 $ 0
Unproved property [1] 596,500 0 47,344
Exploration costs 0 0 757,423
Development costs 19,093,200 10,975,637 18,566
Total costs incurred for oil and natural gas activities $ 19,689,700 $ 10,975,637 $ 823,333
[1] As described in Note 3 — Delhi Field Litigation Settlement, we received a 23.9% working interest in the non-producing Mengel Interval with an estimated fair value of $596,500. This cost is included in properties subject to amortization.