Commitments and contingencies (Tables)

12 Months Ended

Dec. 31, 2020

The following table summarizes contractual obligations as of December 31, 2020:


	Payments due by period
(Euros in thousands)	Less than 1 year		1 - 3 years		3 - 5 years		More than 5 years		Total
Lease liabilities		2,103		3,453		1,157		150		6,863
Other lease obligations		97		185		185		46		513
In-license agreements		249		—		—		—		249
Contract research organization agreements		1,704		220		—		—		1,924

Total contractual cash obligation		4,153		3,858		1,342		196		9,549

The following table summarizes contractual obligations as of December 31, 2019:


	Payments due by period
(Euros in thousands)	Less than 1 year		1 - 3 years		3 - 5 years		More than 5 years		Total
Lease liabilities		1,482		1,823		47		—		3,352
Other lease obligations		172		324		300		300		1,096
In-license agreements		455		200		—		—		655
Contract research organization agreements		1,131		1,466						2,597

Total contractual cash obligation		3,240		3,813		347		300		7,700