|
|
|
|
|
Weighted average |
|
|
|
|
Number of |
|
exercise price |
|
|
|
|
share options |
|
US $ |
|
|
|
|
|
|
|
|
|
Outstanding at January 1, 2016 |
|
13,427,495 |
|
0.33 |
|
|
Granted during the year |
|
3,261,577 |
|
0.58 |
|
|
Forfeited during the year |
|
— |
|
— |
|
|
Exercised during the year |
|
(263,690 |
) |
0.14 |
|
|
Expired during the year |
|
(862,200 |
) |
0.70 |
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2016 |
|
15,563,182 |
|
0.37 |
|
|
Granted during the year |
|
5,800,000 |
|
0.33 |
|
|
Forfeited during the year |
|
(4,153,948 |
) |
0.53 |
|
|
Exercised during the year |
|
(143,700 |
) |
0.14 |
|
|
Expired during the year |
|
— |
|
— |
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2017 |
|
17,065,534 |
|
0.32 |
|
|
|
|
|
|
|
|
|
Exercisable at December 31, 2017 |
|
11,334,173 |
|
0.29 |
|
|
|
|
|
|
|
|