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Share Capital - Schedule of Share Capital Footnotes (Details) |  |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 01, 2017 CAD ($) $ / shares shares | Oct. 20, 2014 shares | Dec. 31, 2017 CAD ($) shares | Dec. 31, 2016 CAD ($) shares | Dec. 31, 2015 CAD ($) shares | Dec. 31, 2015 USD ($) shares | Dec. 31, 2014 CAD ($) shares | Jun. 01, 2017 $ / shares shares | Feb. 25, 2016 CAD ($) | Dec. 31, 2014 USD ($) | Oct. 24, 2014 USD ($)
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Equity |  |  | $ 8,283,846 | $ 10,689,620 | $ 24,674,306 |  | $ 13,819,193 |  |  |  |
Share issue related cost |  |  | $ 1,391,057 | $ 500,163 | $ 753,744 |  |  |  |  |  |
Number of common shares issuable per warrant | shares | 1 |  |  |  |  |  |  | 1 |  |  |
Share Purchase Agreement |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Share Purchase Agreement |  |  |  |  |  |  |  |  |  | $ 26,000,000 |
Share Purchase Agreement term |  |  |  |  |  |  | 30 months |  |  |  |
At-the-market agreement |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Share Purchase Agreement |  |  |  |  |  |  |  |  |  |  | $ 20,000,000
Issued (shares) | shares |  |  | 3,301,500 | 3,006,600 | 18,860,454 | 18,860,454 |  |  |  |  |
Proceeds from shares issued under Share Purchase Agreement |  |  |  |  |  | $ 15,500,000 |  |  |  |  |
Equity |  |  |  |  |  |  |  |  | $ 4,600,000 |  |
Gross proceeds from common shares |  |  | $ 2,348,821 | $ 1,456,296 |  |  |  |  |  |  |
Share issue related cost |  |  | $ 245,655 | $ 500,163 |  |  |  |  |  |  |
Public Offering |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Issued (shares) | shares | 16,445,000 |  |  |  |  |  |  |  |  |  |
Gross proceeds from common shares | $ 11,511,500 |  |  |  |  |  |  |  |  |  |
Share issue related cost | $ 1,145,402 |  |  |  |  |  |  |  |  |  |
Purchase price (cad per share) | $ / shares | $ 0.70 |  |  |  |  |  |  |  |  |  |
Shares |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Issued (shares) | shares |  | 146,397 | 801,000 | 100,000 |  |  |  |  |  |  |
Future issuance pursuant to Share Purchase Agreement (shares) | shares |  |  |  |  |  |  | 292,793 |  |  |  |
Equity |  |  | $ 271,710,138 | $ 262,321,825 | $ 261,324,692 |  | $ 237,657,056 |  |  |  |
Share issue related cost |  |  | $ 1,391,057 | 500,163 | $ 753,744 |  |  |  |  |  |
Shares | Share Purchase Agreement |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Issued (shares) | shares |  |  |  |  | 5,778,674 | 5,778,674 |  |  |  |  |
Shares | Initial commitment fee |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Issued (shares) | shares |  |  |  |  |  |  | 292,793 |  |  |  |
Proceeds from shares issued under Share Purchase Agreement |  |  |  |  |  | $ 455,000 |  |  |  |  |
Shares | Amended Share Purchase Agreement |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Issued (shares) | shares |  |  |  |  | 5,778,674 | 5,778,674 |  |  |  |  |
Proceeds from shares issued under Share Purchase Agreement |  |  |  |  |  | $ 3,500,000 |  |  |  |  |
Shares | Amended initial commitment fee |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Issued (shares) | shares |  |  |  |  | 78,674 | 78,674 |  |  |  |  |
Proceeds from shares issued under Share Purchase Agreement |  |  |  |  |  | $ 50,024 |  |  |  |  |
Shares | At-the-market agreement |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Issued (shares) | shares |  |  | 3,301,500 |  | 18,860,454 | 18,860,454 |  |  |  |  |
Shares | Public Offering |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Issued (shares) | shares |  |  | 16,445,000 |  |  |  |  |  |  |  |
Warrants |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Issued (shares) | shares |  |  | 16,445,000 |  |  |  |  |  |  |  |
Equity |  |  | $ 3,617,900 | $ 0 | $ 0 |  | $ 0 |  |  |  |
Warrants | Public Offering |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Issued (shares) | shares |  |  | 16,445,000 |  |  |  |  |  |  |  |
Purchase price (cad per share) | $ / shares | 0.48 |  |  |  |  |  |  |  |  |  |
Common shares per unit | $ / shares |  |  |  |  |  |  |  | $ 1 |  |  |
Common share purchase warrant per unit | $ / shares |  |  |  |  |  |  |  | $ 1 |  |  |
Purchase price (cad per share) | $ / shares | 0.22 |  |  |  |  |  |  |  |  |  |
Exercise Price |  |  | $ 0.95 |  |  |  |  |  |  |  |
Acceleration threshold weighted average price (cad per share) | $ / shares | $ 2.50 |  |  |  |  |  |  |  |  |  |
Acceleration threshold weighted average price, trading days | 15 |  |  |  |  |  |  | 15 |  |  |

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