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Property and Equipment - Summary of Property and Equipment (Details) - USD ($) | Jun. 30, 2020 | Jun. 30, 2019
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Oil and natural gas properties: |  |
Property costs subject to amortization | $ 107,390,379 | $ 95,622,153
Less: Accumulated depreciation, depletion, and amortization | (40,878,098) | (35,275,687)
Unproved properties not subject to amortization | 0 | 0
Oil and natural gas properties, net | 66,512,281 | 60,346,466
Other property and equipment: |  |
Furniture, fixtures and office equipment, at cost | 154,731 | 154,731
Less: Accumulated depreciation | (137,092) | (128,313)
Other property and equipment, net | $ 17,639 | $ 26,418

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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://fasb.org/us-gaap/role/ref/legacyRef -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=120398226&loc=d3e511914-122862 + Details
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