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Other assets | 12 Months Ended
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Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Other assets | Other assets a) Other assets are as follows:
|  | December 31, 2018 |  |  | December 31, 2017 |
Long term prepaid lease payments |  | $ | 1,853 |  |  | $ | 1,779 |
Other long term receivable |  | 619 |  |  | — |
Intangible assets (note 10(b)) |  | 2,916 |  |  | 938 |
Deferred financing costs (note 10(c)) |  | 1,178 |  |  | 707 |
Deferred lease inducement asset (note 10(d)) |  | 641 |  |  | 784 |
Loan to DNSS Partnership (note 13(b)) |  | 689 |  |  | 969 |
Contract costs (note 19(f)) |  | 2,308 |  |  | 422 |
|  | $ | 10,204 |  |  | $ | 5,599 |
b) Intangible assets
December 31, 2018 |  | Cost |  |  | Accumulated amortization |  |  | Net book value |
Internal-use software |  | $ | 11,925 |  |  | $ | 11,019 |  |  | $ | 906 |
Other intangible assets |  | 2,010 |  |  | — |  |  | 2,010 |
|  | $ | 13,935 |  |  | $ | 11,019 |  |  | $ | 2,916 |
December 31, 2017 |  | Cost |  |  | Accumulated amortization |  |  | Net book value |
Internal-use software |  | $ | 18,188 |  |  | $ | 17,250 |  |  | $ | 938 |
During the year ended December 31, 2018, fully amortized internal-use software with a cost of $6,643 was disposed. Amortization of intangible assets for the year ended December 31, 2018 was $412 (2017 – $918). The estimated amortization expense for future years is as follows:
For the year ending December 31, |  |
2019 |  | $ | 734 |
2020 |  | 664 |
2021 |  | 470 |
2022 |  | 439 |
2023 and thereafter |  | 609 |
|  | $ | 2,916 |
c) Deferred financing costs
|  | December 31, 2018 |  |  | December 31, 2017 |
Cost |  | $ | 1,575 |  |  | $ | 821 |
Accumulated amortization |  | 397 |  |  | 114 |
|  | $ | 1,178 |  |  | $ | 707 |
During the year ended December 31, 2018, financing fees of $754 (2017 - $840) were incurred in connection with the revolving facilities under the credit facilities (note 14(b)). These fees are being amortized ratably over the term of the credit facilities. Amortization of these deferred financing costs included in interest expense for the year ended December 31, 2018 was $283 (2017 – $453) (note 21). d) Deferred lease inducements asset
|  | December 31, 2018 |  |  | December 31, 2017 |
Balance, beginning of year |  | $ | 784 |  |  | $ | 927 |
Amortization |  | (143 | ) |  | (143 | )
Balance, end of year |  | $ | 641 |  |  | $ | 784 |
Lease inducements applicable to lease contracts are deferred and amortized as an increase in general and administrative expenses on a straight-line basis over the lease term, which includes the initial lease term and renewal periods only where renewal is determined to be reasonably assured.

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- Definition The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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