Number of Options | Weighted Average Exercise Price | Weighted Average Remaining Term (Years) | ||||||||||
Outstanding at January 1, 2015 | 4,006,500 | 0.21668 | 4.5 | |||||||||
Forfeited during the year | (23,250 | ) | 0.14548 | - | ||||||||
Cancelled during the year | (15,250 | ) | 0.14548 | - | ||||||||
Exercised during the year | (594,250 | ) | 0.14548 | - | ||||||||
Granted during the year | 223,250 | 0.14548 | - | |||||||||
Outstanding at December 31, 2015 | 3,597,000 | 0.14548 | 3.6 | |||||||||
Exercisable at December 31, 2015 | 3,032,500 | 0.14548 | 3.4 | |||||||||
Outstanding at January 1, 2016 | 3,597,000 | 0.14548 | 3.6 | |||||||||
Forfeited during the year | (106,000 | ) | 0.14548 | - | ||||||||
Cancelled during the year | (19,250 | ) | 0.14548 | - | ||||||||
Exercised during the year | (2,069,100 | ) | 0.14548 | - | ||||||||
Granted during the year | 285,250 | 0.14548 | - | |||||||||
Outstanding at December 31, 2016 | 1,687,900 | 0.14548 | 5.6 | |||||||||
Exercisable at December 31, 2016 | 1,284,525 | 0.14548 | 6.5 | |||||||||
Outstanding at January 1, 2017 | 1,687,900 | 0.14548 | 5.6 | |||||||||
Forfeited during the year | (1,750 | ) | 0.14548 | - | ||||||||
Cancelled during the year | (31,250 | ) | 0.14548 | - | ||||||||
Exercised during the year | (571,775 | ) | 0.14548 | - | ||||||||
Granted during the year | 276,766 | 9.70 | - | |||||||||
Outstanding at December 31, 2017 | 1,359,891 | 2.09 | 5.8 | |||||||||
Exercisable at December 31, 2017 | 900,474 | 0.39 | 4.3 |