Other reserves - Rollforward of other reserves (Details) - EUR (€) € in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Other reserves [abstract]
Other reserves at beginning of period	€ (1,000)	€ (18)	€ (220)
Gain or loss (-) on defined benefit obligation recognized through OCI	(40)	(583)	202
Reclassification of loss on financial asset available for sale to statement of operations ( after disposal)	55
Loss on financial asset available-for-sale recognized through OCI	(275)	(399)
Other reserves at end of period	€ (1,260)	€ (1,000)	€ (18)

The gains (losses) recognised in other comprehensive income on remeasuring available-for-sale financial assets, net of tax. [Refer: Financial assets available-for-sale]

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- Definition

The gains (losses) recognised in profit or loss on the fair value measurement of assets. [Refer: At fair value [member]]

+ References

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- Definition

The amount of other comprehensive income, net of tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [member]; Plan assets [member]; Net defined benefit liability (asset)]

+ References

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- Definition

A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings]

+ References

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- References

No definition available.

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