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Adjusted earnings before interest, tax, depreciation and amortisation (Adjusted EBITDA) (Tables) | 12 Months Ended
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Dec. 31, 2018
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Summary of Reconciliation of Adjusted EBITDA to Profit (Loss) | The following table shows the reconciliation of Adjusted EBITDA to profit (loss) for the years ended December 31, 2018 and 2017.
|  | 2018 |  |  | 2017 |
Profit (Loss) for the year |  |  | 33,119 |  |  |  | (30,845 | )
Income tax expense |  |  | 7,429 |  |  |  | 2,886 |
Profit (Loss) before tax |  |  | 40,548 |  |  |  | (27,959 | )
Adjustments for: |  |  |  |  |  |  |  |
- Net finance income (costs) |  |  | (66,296 | ) |  |  | 4,004 |
- Share of profit (loss) of equity-method investees |  |  | 290 |  |  |  | — |
- Depreciation |  |  | 10,154 |  |  |  | 10,861 |
- Amortisation |  |  | 910 |  |  |  | 1,569 |
- Government grants |  |  | (1,061 | ) |  |  | (1,068 | )
Adjusted EBITDA |  |  | (15,455 | ) |  |  | (12,593 | )

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