| Summary of Warrant Liability |
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December 31,
2018 |
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December 31,
2017 |
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Number of
Warrants |
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Amount |
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Number of
Warrants |
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Amount |
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Opening Balance
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4,933,231 |
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$ |
17,849,460 |
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2,581,703 |
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$ |
2,365,691 |
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Issue of warrants expiring, March 16, 2019
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— |
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— |
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357,787 |
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572,326 |
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Issue of warrants expiring, March 16, 2021
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— |
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— |
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357,787 |
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725,484 |
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Issue of warrants expiring, June 29, 2022
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— |
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— |
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1,983,521 |
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3,364,118 |
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Issue of warrants expiring, August 24, 2022
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— |
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— |
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563,067 |
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822,372 |
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Issue of warrants expiring, December 5, 2022
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— |
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— |
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1,533,333 |
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5,223,686 |
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Issue of warrants expiring, April 10, 2023
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1,295,554 |
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5,212,087 |
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— |
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— |
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Issue of warrants expiring, August 10, 2023
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7,679,574 |
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6,297,251 |
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Warrants exercised during the year
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(6,500 |
) |
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(28,949 |
) |
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(1,755,141 |
) |
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(7,953,581 |
) |
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Warrants expired during the year
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— |
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(688,826 |
) |
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— |
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Foreign exhange adjustment during the year
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(984,462 |
) |
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— |
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305,475 |
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Fair value adjustment during the year
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(17,095,220 |
) |
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12,423,889 |
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Ending Balance
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13,901,859 |
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$ |
11,250,167 |
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4,933,231 |
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$ |
17,849,460 |
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