The movements in the short-term liabilities related to pension premiums were as follows:
| | 2018 | 2017 |
Balance as at 1 January | 584 | 486 |
Payment relating to previous years | (584) | (486) |
| | - | - |
Premiums due for the financial year | 2,593 | 2,236 |
Payments relating to the financial year | (1,933) | (1,652) |
Total | 660 | 584 |