| Number of Options Outstanding | |||||||||
| Expiry Date | Exercise Price (CAD$) | December 31, 2017 | December 31, 2016 | ||||||
| March 27, 2017 | 0.50 | – | 100,000 | ||||||
| June 28, 2017 | 0.45 | – | 2,400,000 | ||||||
| September 19, 2018 | 0.16 | 3,760,000 | 3,760,000 | ||||||
| June 25, 2019 | 0.10 | 2,815,000 | 2,815,000 | ||||||
| December 31, 2019 | 0.05 | 1,000,000 | 1,000,000 | ||||||
| March 26, 2020 | 0.05 | 200,000 | 200,000 | ||||||
| July 16, 2020 | 0.13 | 2,380,000 | 2,410,000 | ||||||
| April 14, 2021 | 0.065 | 2,995,000 | 3,025,000 | ||||||
| June 23, 2022 | 0.095 | 2,900,000 | – | ||||||
| 16,050,000 | 15,710,000 | ||||||||