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, 2017	Jun. 30, 2016	Jun. 30, 2015
Property acquisition costs:
Proved property		$ 0	$ 0	$ 0
Unproved property	[1]	0	596,500	0
Exploration costs		0	0	0
Development costs		7,554,579	19,093,200	10,975,637
Total costs incurred for oil and natural gas activities		$ 7,554,579	$ 19,689,700	$ 10,975,637

[1] As described in Note 17 — 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.