| Expiration Date |
Number of Warrants |
Weighted Average Exercise Price |
Fair Value at December 31, 2013 |
Fair Value at December 31, 2012 | ||||||||
| May 11, 2017 | 750,000 | US$0.43 ($0.46) | $ | 223,356 | $ | 202,213 | ||||||
| February 27, 2015 | 4,429,688 | US$0.50 ($0.53) | $ | 518,256 | $ | - | ||||||
| February 27, 2018 | 4,429,687 | US$0.60 ($0.64) | $ | 1,286,216 | $ | - | ||||||
| March 5, 2015 | 1,253,000 | US$0.50 ($0.53) | $ | 146,596 | $ | - | ||||||
| March 5, 2018 | 1,253,000 | US$0.60 ($0.64) | $ | 363,825 | $ | - | ||||||
| March 11, 2015 | 343,750 | US$0.50 ($0.53) | $ | 49,723 | $ | - | ||||||
| March 11, 2018 | 343,750 | US$0.60 ($0.64) | $ | 99,812 | $ | - | ||||||
| August 8, 2018 | 755,794 | US$0.5954 ($0.6333) | $ | 245,982 | $ | - | ||||||
| September 20, 2018 | 108,696 | US$0.55 ($0.58) | $ | 32,948 | $ | - | ||||||
| 13,667,365 | US$0.55 ($0.58) | $ | 2,966,714 | $ | 202,213 | |||||||