| Current liabilities to others | ||
| EUR thousand | 2018 | 2017 |
| Advances received under operation and maintenance agreements | 214 | 137 |
| Accounts payable | 3,844 | 3,587 |
| Other liabilities | 1,309 | 920 |
| Accrued expenses and deferred income | 1,981 | 1,601 |
| Total | 7,348 | 6,245 |
| The carrying amounts of accounts payable and other liabilities correspond to their fair values.
The significant items of accrued expenses and deferred income are shown in the table below. |
||
| Significant items of accrued expenses and deferred income | ||
| EUR thousand | 2018 | 2017 |
| Accrued expenses and deferred income | ||
| Deferred employee expenses | 1,451 | 1,501 |
| Other accrued expenses and deferred income | 745 | 100 |
| Total | 2,196 | 1,601 |
