Year ended December 31, | |||||||||
2015 | 2016 | 2017 | |||||||
(in thousands) | |||||||||
Fixed and variable wages, social charges and benefits expensed in the year | $ | 2,112 | $ | 1,896 | $ | 2,376 | |||
Share-based payment expense for the year | 380 | 490 | 1,043 | ||||||
Board members fees to non-executive members | 196 | 188 | 190 | ||||||
Total compensation expense for key management personnel | $ | 2,688 | $ | 2,574 | $ | 3,609 | |||