Subsequent Events (Details)
1 Months Ended 12 Months Ended
Feb. 11, 2019
shares
$ / shares
Oct. 16, 2017
shares
$ / shares
Aug. 31, 2017
shares
$ / shares
Jul. 31, 2019
shares
$ / shares
Jun. 30, 2019
shares
$ / shares
Jun. 30, 2018
shares
$ / shares
Disclosure of non-adjusting events after reporting period [line items]            
Incentive stock option grant | shares 7,500,000 500,000 4,000,000   7,500,000 4,500,000
Exercise price of option | $ / shares $ 0.05 $ 0.15 $ 0.15   $ 0.05 $ 0.15
Expiry period         30 June 2021  
Non-adjusting events after reporting period [Member]            
Disclosure of non-adjusting events after reporting period [line items]            
Incentive stock option grant | shares       5,000,000    
Exercise price of option | $ / shares       $ 0.05    
Expiry period       30 June 2021