| | IT equipment | | Furniture and fixtures | | Leasehold improvement | | Other equipment | | Total | | |||||
Cost: | | | | | | | | | | | | | | | | |
Balance as of January 1, 2015 | | | 3,136 | | | 2,147 | | | 7,458 | | | 460 | | | 13,201 | |
Additions | | | 368 | | | 30 | | | 179 | | | 38 | | | 615 | |
Disposals | | | (138) | | | (175) | | | (225) | | | (41) | | | (579) | |
Balance as of December 31, 2015 | | | 3,366 | | | 2,002 | | | 7,412 | | | 457 | | | 13,237 | |
Additions | | | 1,436 | | | 2,137 | | | 239 | | | 161 | | | 3,973 | |
Disposals | | | (416) | | | (361) | | | (880) | | | - | | | (1,657) | |
Balance as of December 31, 2016 | | | 4,386 | | | 3,778 | | | 6,771 | | | 618 | | | 15,553 | |
Additions | | | 246 | | | 461 | | | 39 | | | 1,908 | | | 2,654 | |
Disposals | | | (462) | | | (2,255) | | | - | | | (21) | | | (2,738) | |
Balance as of December 31, 2017 | | | 4,170 | | | 1,984 | | | 6,810 | | | 2,505 | | | 15,469 | |
| | | | | | | | | | | | | | | | |
Accumulated depreciation: | | | | | | | | | | | | | | | | |
Balance as of January 1, 2015 | | | 2,397 | | | 1,339 | | | 2,202 | | | 302 | | | 6,240 | |
Depreciation expense of the year | | | 388 | | | 322 | | | 556 | | | 105 | | | 1,371 | |
Disposals | | | (114) | | | (170) | | | (222) | | | (41) | | | (547) | |
Balance as of December 31, 2015 | | | 2,671 | | | 1,491 | | | 2,536 | | | 366 | | | 7,064 | |
Depreciation expense of the year | | | 483 | | | 384 | | | 513 | | | 77 | | | 1,457 | |
Disposals | | | (412) | | | (230) | | | (875) | | | - | | | (1,517) | |
Balance as of December 31, 2016 | | | 2,742 | | | 1,645 | | | 2,174 | | | 443 | | | 7,004 | |
Depreciation expense of the year | | | 587 | | | 149 | | | 474 | | | 368 | | | 1,578 | |
Disposals | | | (459) | | | (54) | | | - | | | (20) | | | (533) | |
Balance as of December 31, 2017 | | | 2,870 | | | 1,740 | | | 2,648 | | | 791 | | | 8,049 | |
| | | | | | | | | | | | | | | | |
Carrying amounts as of: | | | | | | | | | | | | | | | | |
December 31, 2017 | | | 1,300 | | | 244 | | | 4,162 | | | 1,714 | | | 7,420 | |
December 31, 2016 | | | 1,644 | | | 2,133 | | | 4,597 | | | 175 | | | 8,549 | |
December 31, 2015 | | | 695 | | | 511 | | | 4,876 | | | 91 | | | 6,173 | |