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Segmented Information - Schedule of Expenses and Mineral Property Carrying Values by Material Project (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017
Segment Reporting Information [Line Items] |  |
Land Holding Costs | $ 519,582 | $ 635,931
Mineral properties, net | 48,860,386 | 46,460,386
Exploration Expenses |  |
Segment Reporting Information [Line Items] |  |
Exploration Expenses | 4,222,612 | 5,373,699
Sleeper Gold Project |  |
Segment Reporting Information [Line Items] |  |
Land Holding Costs | 409,837 | 423,876
Mineral properties, net | 25,674,658 | 25,674,658
Sleeper Gold Project | Exploration Expenses |  |
Segment Reporting Information [Line Items] |  |
Exploration Expenses | 761,296 | 557,631
Grassy Mountain Project |  |
Segment Reporting Information [Line Items] |  |
Land Holding Costs | 109,745 | 212,055
Mineral properties, net | 23,185,728 | 20,785,728
Grassy Mountain Project | Exploration Expenses |  |
Segment Reporting Information [Line Items] |  |
Exploration Expenses | $ 3,461,316 | $ 4,816,068

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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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- Definition Mineral properties, net of adjustments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 25 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=96866604&loc=d3e64895-109465 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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