|
Cost: |
|
|
|
|
|
|
|
|
|
|
|
Balance as of December 31, 2015 |
|
$ |
482,175 |
|
|
Business acquisition (note 10) |
|
87,068 |
|
|
|
|
|
|
|
|
|
Balance as of December 31, 2017 and 2016 |
|
569,243 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Accumulated amortization: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Balance as of December 31, 2017 and 2016 |
|
$ |
(33,311 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
Net carrying amount: |
|
|
|
|
|
|
|
|
|
|
|
As of December 31, 2017 and 2016 |
|
$ |
535,932 |
|
|
|
|
|
|
|