Stock Based Compensation Allocation of Recognized Period Costs (Details) - USD ($) |
12 Months Ended | |
---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
|
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | $ 21,400 | $ 438,000 |
Total stock-based compensation expense | 507,684 | 724,743 |
Exploration expenses [Member] | ||
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
Total stock-based compensation expense | 0 | 241,663 |
Stock-based compensation expense [Member] | ||
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
Total stock-based compensation expense | $ 507,684 | $ 483,080 |