Description of Business and Summary of Significant Accounting Policies - Fixed Assets (Details) |
12 Months Ended |
---|---|
Jun. 30, 2017 | |
Computer equipment | |
Property Plant And Equipment [Line Items] | |
Percentage of annual amortization rate on declining balance (in hundredths) | 30.00% |
Equipment | |
Property Plant And Equipment [Line Items] | |
Percentage of annual amortization rate on declining balance (in hundredths) | 20.00% |