Share based compensation - Activity SOP 2020 (Details) - SOP 2020	12 Months Ended
Dec. 31, 2020 EUR (€) € / shares shares
Number of awards
Granted during the period (shares) \| €	2,445,833
Forfeited during the period (shares) \| €	(40,000)
Unvested awards outstanding at end of period (shares) \| €	2,405,833
Weighted average remaining life (years)
Weighted average remaining life , granted during the period	2 years 4 months 24 days
Weighted average remaining life for unvested awards outstanding	2 years 4 months 24 days
Weighted average exercise price
Weighted average exercise price, granted during the period (per share) \| € / shares	€ 1.5
Weighted average exercise price, unvested awards outstanding (per share) \| € / shares	1.5
Weighted average fair value
Unvested awards, fair value at end of period (per share) \| € / shares	€ 1.4
Number of potential additional grants \| shares	1,420,848

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The number of share options outstanding in a share-based payment arrangement.

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The number of share options forfeited in a share-based payment arrangement.

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The number of share options granted in a share-based payment arrangement.

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The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]

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The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]

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The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]

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The number of additional options that may be granted if certain profitability conditions are fulfilled.

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