|
Weighted Average | |||||
|
Number | Exercise Price | ||||
Balance as at December 31, 2014 |
5,493,200 | $ | 2.03 | |||
Granted |
1,341,500 | 0.66 | ||||
Expired |
(1,406,200 | ) | 2.12 | |||
Balance as at December 31, 2015 |
5,428,500 | 1.67 | ||||
Granted |
1,277,500 | 1.30 | ||||
Exercised |
(165,000 | ) | 0.77 | |||
Expired |
(1,729,500 | ) | 2.66 | |||
Balance as at December 31, 2016 |
4,811,500 | 1.24 | ||||
Granted |
1,472,500 | 1.20 | ||||
Exercised |
(75,000 | ) | 1.14 | |||
Expired |
(961,500 | ) | 1.97 | |||
Balance as at December 31, 2017 |
5,247,500 | 1.10 | ||||
|
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Number of options exercisable as at December 31, 2017 |
5,235,000 | $ | 1.10 |