Capitalized Acquisition Costs on Mineral Properties (Details) - USD ($)	Mar. 31, 2016	Jun. 30, 2015
Mineral Properties [Line Items]
Mineral properties, net	$ 28,036,135	$ 28,036,135
Sleeper
Mineral Properties [Line Items]
Mineral properties, net	25,554,090	25,554,090
Mill Creek
Mineral Properties [Line Items]
Mineral properties, net	2,096,616	2,096,616
Spring Valley
Mineral Properties [Line Items]
Mineral properties, net	$ 385,429	$ 385,429