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Capital Stock (Detail) - Share Purchase Options Outstanding
12 Months Ended
Dec. 31, 2015
$ / shares
shares
October 15, 2017  
Share Purchase Options  
Expiry Date Oct. 15, 2017
Exercise Price | $ / shares $ 0.10
Weighted Average Remaining Contractual Life 1 year 9 months
Number of Options, Oustanding, End (in Shares) 1,200,000
January 16, 2018  
Share Purchase Options  
Expiry Date Jan. 16, 2018
Exercise Price | $ / shares $ 0.12
Weighted Average Remaining Contractual Life 2 years 1 month
Number of Options, Oustanding, End (in Shares) 2,940,000
Total [Member]  
Share Purchase Options  
Weighted Average Remaining Contractual Life 2 years
Number of Options, Oustanding, End (in Shares) 4,140,000