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Property and Equipment (Details) - USD ($)	9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Jun. 30, 2017
Oil and natural gas properties
Property costs subject to amortization	$ 87,253,160		$ 84,962,933
Less: Accumulated depreciation, depletion, and amortization	(27,663,410)		(23,172,865)
Unproved properties not subject to amortization	0		0
Oil and natural gas properties, net	59,589,750		61,790,068
Other property and equipment
Furniture, fixtures, office equipment and other, at cost	141,410		135,377
Less: Accumulated depreciation	(107,266)		(94,688)
Other property and equipment, net	34,144		$ 40,689
Delhi field
Other property and equipment
Capital expenditures	$ 2,300,000	$ 6,900,000

X

- Definition

Future cash outflow to pay for purchases of fixed assets that have occurred.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586

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-Section 50
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- Definition

The sum of the capitalized costs incurred, as of the balance sheet date, of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10.(c)(7)(ii))
-URI http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862

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Depletion of oil and gas property carried under the full cost method.

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Oil and gas properties, gross, carried under the full cost method.

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Oil and gas properties, net of depletion, carried under the full cost method.

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- Definition

Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-Section 50
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Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.

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