13. Other provisions
Other provisions report the following changes:
| Translation | ||||||||||||||||||||||||
| (in EUR thousands) | 01.01.2017 | Utilisation | Released | Added | difference | 31.12.2017 | ||||||||||||||||||
| Bonuses for employees | 506 | 484 | - | 1,162 | (22 | ) | 1,162 | |||||||||||||||||
| Outstanding vacation | 198 | 187 | - | 263 | (11 | ) | 263 | |||||||||||||||||
| Outstanding invoices | 936 | 710 | 45 | 775 | (27 | ) | 929 | |||||||||||||||||
| Costs for financial statements and auditing | 154 | 140 | 14 | 143 | - | 143 | ||||||||||||||||||
| Other provisions | 30 | 5 | - | 13 | - | 38 | ||||||||||||||||||
| Total provisions | 1,824 | 1,526 | 59 | 2,356 | (59 | ) | 2,535 | |||||||||||||||||
Other provisions concern various individually identifiable risks and contingent liabilities. Provisions classified as current are expected to lead to an outflow of economic benefits prospectively within the subsequent financial year.