Number of Options * | Weighted Avg. Exercise Price | |||||||
| Canadian $ * | ||||||||
| Options outstanding and exercisable at January 1, 2015 | 513,184 | 5.55 | ||||||
| Expired or forfeited | (88,000 | ) | 5.55 | |||||
| Granted | 23,000 | 3.65 | ||||||
| Options outstanding and exercisable at December 31, 2015 | 448,184 | 5.40 | ||||||
| Expired or forfeited | (232,200 | ) | 6.50 | |||||
| Granted | 18,000 | 11.50 | ||||||
| Exercised | (141,704 | ) | 4.15 | |||||
| Options outstanding and exercisable at December 31, 2016 | 92,280 | 5.85 | ||||||
| Granted | 5,000 | 8.10 | ||||||
| Exercised | (69,280 | ) | 4.50 | |||||
| Options outstanding and exercisable at December 31, 2017 | 28,000 | 9.55 | ||||||