| | December 31, 2017 | | December 31, 2016 | | ||||||||
| | Number of Options | | Weighted Average Exercise Price | | Number of Options | | Weighted Average Exercise Price | | ||||
Outstanding, beginning of year | | | 5,850,000 | | $ | 0.36 | | | 973,800 | | $ | 0.55 | |
Expired | | | (650,000) | | | 0.46 | | | (323,800) | | | 0.72 | |
Granted | | | - | | | - | | | 5,200,000 | | | 0.35 | |
Outstanding, end of year | | | 5,200,000 | | $ | 0.35 | | | 5,850,000 | | $ | 0.36 | |