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Capital Stock - Schedule of Changes in Fair Value Assumptions (Details)
3 Months Ended
Sep. 30, 2016
$ / shares
Monte-Carlo Simulation valuation model | Option awards with performance conditions  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Weighted average risk-free interest rate 1.26%
Weighted-average volatility 70.26%
Weighted average fair value $ 1.22
Black-Scholes option valuation model | Option awards without performance conditions  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Weighted average risk-free interest rate 1.26%
Weighted-average volatility 70.26%
Expected dividends $ 0.00
Weighted average expected term (years) 5 years
Weighted average fair value $ 1.23