Share Capital (Schedule of Fair Value of Options Granted) (Details) - yr |
12 Months Ended | ||||
|---|---|---|---|---|---|
Oct. 16, 2017 |
Aug. 31, 2017 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2017 |
|
| Disclosure of classes of share capital [abstract] | |||||
| Expected dividend yield | |||||
| Expected stock price volatility | 100.00% | 125.00% | |||
| Risk-free interest rate | 1.79% | 1.25% | |||
| Expected life of options (years) | 1 | 1 | 2.38 | 1 | |