Share Capital and Reserves - Summary of Changes in Warrants (Parenthetical) (Detail) - May Two Thousand Sixteen Issuance Of Warrants [Member] - Warrants grant date thirteen and twenty seven may two thousand sixteen [member] $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2016
CAD ($)
Unit
shares
| |
| Disclosure of changes in warrants [line items] | |
| Number of units, consisting of one share and one share purchase warrant, issued | 32,432,425 |
| Number of private placements | Unit | 2 |
| Number of common shares received per each unit | 1 |
| Number of warrant to purchase common shares received per each unit | 1 |
| Proceeds from issue of warrants | $ | $ 5,978 |