Segmented Information - Schedule of Expenses and Mineral Property Carrying Values by Material Project (Details) - USD ($)	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2018
Segment Reporting Information [Line Items]
Land Holding Costs	$ 161,776	$ 161,112
Mineral properties, net	48,860,386		$ 48,860,386
Exploration Expenses
Segment Reporting Information [Line Items]
Exploration Expenses	471,816	646,912
Sleeper Gold Project
Segment Reporting Information [Line Items]
Land Holding Costs	107,688	107,620
Mineral properties, net	25,674,658		25,674,658
Sleeper Gold Project | Exploration Expenses
Segment Reporting Information [Line Items]
Exploration Expenses	157,440	95,474
Grassy Mountain Project
Segment Reporting Information [Line Items]
Land Holding Costs	54,088	53,492
Mineral properties, net	23,185,728		$ 23,185,728
Grassy Mountain Project | Exploration Expenses
Segment Reporting Information [Line Items]
Exploration Expenses	$ 314,376	$ 551,438