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Property and Equipment - Schedule of oil and natural gas properties and other property and equipment (Details) - USD ($) | 3 Months Ended
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Sep. 30, 2021 | Jun. 30, 2021 | Sep. 30, 2020
Oil and natural gas properties: |  |  |
Property costs subject to amortization | $ 129,402,638 | $ 129,123,227 |
Less: Accumulated depreciation, depletion, amortization and impairment | (72,033,235) | (70,607,367) |
Oil and natural gas properties, net | 57,369,403 | 58,515,860 |
Other property and equipment: |  |  |
Furniture, fixtures, and office equipment, at cost | 154,731 | 154,731 |
Less: Accumulated depreciation, depletion, amortization and impairment | (145,176) | (144,092) |
Other property and equipment, net | 9,555 | 10,639 |
Depletion | 1,425,868 | 1,247,659 |
Impairment of proved property | 0 | 0 | $ 9,602,620
Depreciation | $ 1,084 | $ 1,570 |

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- Definition The noncash expense charged against earnings to recognize the consumption of natural resources. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 35 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66906256&loc=d3e66150-109466 + Details
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- Definition Depletion of oil and gas property carried under the full cost method. + References No definition available. + Details
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- Definition Oil and gas properties, gross, carried under the full cost method. + References No definition available. + Details
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