Due to their short maturity and the current low level of interest rates, the carrying amounts of credit lines and bank overdrafts approximate fair value.
8. Other liabilities and provisions
Other liabilities and provisions comprise of advance payments received, amounting to kEUR 576 at June 30, 2015 (December 31, 2014: kEUR 294). In addition, as of June 30, 2015, the amount related to the LTCIP included in other liabilities and provisions on our consolidated statements of financial position was kEUR 1,566 compared to kEUR 751 as of December 31, 2014
9. Segment reporting
The following table summarizes segment reporting. The sum of the amounts of the two segments equals the total for the Group in each of the periods.
| Three months ended June 30, | |||||||||
| 2015 | 2014 | ||||||||
| (€ in thousands) | |||||||||
| SYSTEMS | SERVICES | SYSTEMS | SERVICES | ||||||
| Revenues | 1,933 | 3,551 | 1,234 | 1,496 | |||||
| Gross profit | 632 | 1,202 | 294 | 566 | |||||
| Gross profit in % | 32.7% | 33.8% | 23.8% | 37.8% | |||||
| Six months ended June 30, | |||||||||
| 2015 | 2014 | ||||||||
| (€ in thousands) | |||||||||
| SYSTEMS | SERVICES | SYSTEMS | SERVICES | ||||||
| Revenues | 4,750 | 6,323 | 2,546 | 2,923 | |||||
| Gross profit | 1,404 | 2,309 | 691 | 1,248 | |||||
| Gross profit in % | 29.6% | 36.5% | 27.1% | 42.7% | |||||
